物理
運動學、受力分析、電學與方程推導。
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fill in the blank question is a measure of how effective the cardiovasc…
Cardiovascular fitness
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which dorsal cavity subdivision has bony projectionsie bones that stick…
D. spinal
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which type of plane could be used to separate your cranial region from …
A. transverse
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14 the region that contains the navel is the? a umbilical region b carp…
A. umbilical region
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13 the occipital region is the? a curve of the shoulder b shoulder blad…
E. posterior surface of the head
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your body thermostat is located in the part of the brain called the hyp…
B. control center
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multiple choice question 4 which of the following should a scientist us…
D. evidence
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put the sequence of events in the correct order to describe the initiat…
1. SA node fires an action potential. 2. Action potential reaches the AV node via gap junctions. 3. An action potential is delayed at the AV node. 4. An action potential travels d…
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2. list the si metric units of measure for determining cylinder force c…
a. Meter (m) b. Square - meter ($m^{2}$) c. Pascal (Pa) d. Newton (N)
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8 the system that regulates water, electrolyte and acid - base balance …
D. urinary system
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a scientist wants to study how the body uses food and fluids during a m…
A. exercise physiologist
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review quesitons write the best answer to each of the following questio…
a. Inches b. Square inches ($in^{2}$) c. Pounds per square inch (psi) d. Pounds (lb)
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3 body membranes that are located on the cavity wall are? a pericardial…
D. Parietal
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multiple choice question when heart rate and stroke volume increase, ca…
increases
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which type of section/plane could best be used to separate the thoracic…
D. Transverse
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elimination of wastes from the body is the function of which systems? a…
D. Digestive, respiratory and urinary systems
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fill in the blank question stroke volume(sv) is equal to minus. use abb…
EDV, ESV
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fill in the blank question the atrial reflex is initiated when in the a…
stretch - receptors
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question 2 which of the following is a force that exists between any tw…
A. gravity
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fill in the blank question cardiac output is defined as the amount of b…
ventricle
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multiple choice question 1 if you push or pull an object, what have you…
A. force
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which of these people was a former slave who was actively involved in t…
D. Olaudah Equiano
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fill in the blank question as the cardiac cycle begins, the semilunar v…
lower
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across 3. to acquire possession, ownership, or rights to the use or ser…
Across: 3. Rent 4. Sing 7. Mirror 9. Dress 10. See 11. Live 13. Drink 14. Dedicate 15. Feel Down: 1. Eat 2. Wash 5. Shave 6. Wake 8. Change 12. Dance
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which statement describes a major challenge facing former slaves after …
C. Freed slaves had trouble finding jobs that paid adequate wages.
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multiple choice question when the ______ contract, blood is forced into…
B. atria; ventricles
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vocabulary - match each term to its correct description by writing the …
1. D 2. G 3. H 4. C 5. A 6. E 7. I 8. B 9. J 10. F
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fill in the blank question the time from the start of one heartbeat to …
cardiac
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fill in the blank question the wave of an ecg that reflects the electri…
P
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if a sprinter begins from rest and reaches a velocity of 2 m/s in just …
# Explicación: ## Paso 1: Identificar la fórmula de la aceleración La aceleración $a$ se define como $a=\frac{v - u}{t}$, donde $v$ es la velocidad final, $u$ es la velocidad inic…
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in a velocity - time graph, what does a horizontal line represent? a po…
# Breve explicación: En un gráfico velocidad - tiempo, la pendiente representa la aceleración. Una línea horizontal significa que la pendiente es cero, lo que implica que la veloc…
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vocabulary - match each term to its correct description by writing the …
1. D 2. G 3. A 4. C 5. A 6. F 7. I 8. B 9. J 10. F
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a change in velocity is called
aceleración
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in a velocity - time graph, what does an upward sloping line represent?…
a. Positive acceleration c. Increasing velocity
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the y - axis of a velocity - time graph represents ________. enter the …
Velocidad
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in a velocity - time graph, what does an upward sloping line represent?…
# Breve explicación: En una gráfica de velocidad - tiempo, la pendiente representa la aceleración. Una línea con pendiente positiva (hacia arriba) significa que la velocidad aumen…
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in a velocity - time graph, what does a downward sloping line represent…
# Explicaciones breves: En un gráfico velocidad - tiempo, la pendiente representa la aceleración. Una línea con pendiente negativa (descendiendo) significa que la velocidad está d…
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what is true about the graph above? select all that apply a the object …
# Explicación: ## Paso 1: Analizar la pendiente de la gráfica La pendiente de una gráfica velocidad - tiempo representa la aceleración. La pendiente de la gráfica dada es positiva…
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what factors can cause a change in velocity? select all that apply a ch…
# Explicación breve: La velocidad es un vector, por lo que tiene magnitud (velocidad escalar) y dirección. Un cambio en la magnitud (cambio en la rapidez) o en la dirección causar…
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velocity is a vector quantity that measures an objects speed and
dirección
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the ability to reach threshold without stimulation is called the of the…
automaticity
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the slope of a velocity - time graph represents the of the moving objec…
# Explicaciones breves: En física, la pendiente de una gráfica velocidad - tiempo representa la tasa de cambio de la velocidad con respecto al tiempo. Esta tasa de cambio es la ac…
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the slope of a velocity - time graph represents the of the moving objec…
aceleración
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multiple choice question the heart is innervated by the ______ nervous …
autonomic
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a velocity - time graph shows how velocity changes over
tiempo
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choose all the examples below in which the object would have a positive…
A penny was dropped off the top of the tallest building in Indianapolis 2 seconds ago.; A bicycle is moving in the positive direction and increasing its velocity.
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cardiac muscle can use fatty acids, , lactate, amino acids, and bodies …
glucose; ketone
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if a line on a velocity - time graph is horizontal, then which of the f…
# Breve explicación: En un gráfico velocidad - tiempo, la pendiente representa la aceleración. Si la línea es horizontal, la pendiente es cero, lo que significa que la velocidad n…
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multiple choice question the ______ delivers oxygen - rich blood to the…
coronary arteries; coronary veins
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multiple choice question the ______ of the heart is formed from dense i…
B. fibrous skeleton
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7. eadweard muybridge worked on developing which used multiple cameras …
7. Zoopraxiscope; motion - sequences 8. Projects motion - sequences to create the illusion of motion
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fill in the blank question the heart valves consist of -lined fibrous c…
endocardium; cusps
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8. the passage below is from president abraham lincolns second inaugura…
8. D. Lincoln thought Southerners should be readmitted into the Union after satisfying minimal requirements. 9. A. Civil Rights Act of 1866 10. B. 14th Amendment - Guaranteed equa…
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multiple choice question which type of blood flows through the left atr…
O oxygenated
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multiple choice question the outermost heart layer of the heart wall is…
D. epicardium; visceral
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true or false question healthy individuals can increase their cardiac o…
A. True
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fill in the blank question the atrium and ventricle are prominent when …
right
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the heart is a relatively small, conical organ approximately the size o…
B. clenched fist
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multiple choice question the pericardium of the heart includes an _____…
A. outer; inner
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multiple choice question the inferior, conical end of the heart is call…
D. apex
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multiple choice question oxygenated blood is transported from the lungs…
A. left
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multiple choice question the two basic types of blood vessels are _____…
C. arteries; veins
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multiple choice question the ________ system is responsible for the tra…
C. circulatory
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find the missing force if the balloon feels a net force of 20 newtons u…
A. 30 N
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multiple choice question the purpose for the delay in the conduction of…
O the atria to complete their contraction
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name the missing force... f_n f_a f_g friction force weight force thrust
○ friction force
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1. how many significant figures are there in 0.00340? a. 5 b. 2 c. 3 d.…
1. C. 3 2. B. 3.000 3. C. 5 4. A. 1 5. A. 0.00230 6. C. 4 7. B. 4 8. A. 0.023 9. C. 5 10. B. 20.000 11. B. 3 12. A. 1 13. D. 0.040 14. C. 5 15. A. 0.020 16. C. 7 17. C. 6 18. D. 4…
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7. the first known digitally recorded images were created in a kodak la…
7. 1957 8. 1980s; 1990 9. iPhone 10. Social media platforms
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2 the nature of science (continued) analyze what is required for a prop…
1. For a proposed explanation to become a theory: It requires extensive empirical evidence, repeated experimental and observational testing, and consistency with logical reasoning…
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what is the magnitude and direction of the force in the free body diagr…
B. 0 N, no change in movement
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when einstein came up with e = mc², (which means energy = mass × the sp…
C. what remains after nuclear fission dissolves the nuclei of atoms
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calculate the net force shown in the diagram? 200n f_air 600n f_gravity…
400 N
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2 the nature of science (continued) what is science? - science is the u…
**Science**: makes unbiased observations, involves constant reevaluation of what is known, physics, bases claims on a large amount of data, uses peer review **Pseudoscience**: oft…
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sound energy is caused when an object, such as a guitar string or a bel…
D. photons
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we call energy that is moving or can do work for us mechanical energy. …
A. a skateboard rolling up a ramp
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mr. franklin uses a machine that has an efficiency of 80%. the machine …
400 m
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which refers to the ratio of output work to input work of a machine exp…
C. efficiency
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students in ms. delgados science class built machines. they measured th…
Lian, Aida, Dipak, Brian
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drag the missing word into place. s when they go when the ball gets thr…
Kinetic energy
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what is impossible for a machine to do? do a greater amount of work tha…
do a greater amount of work than the amount of work done on the machine
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drag over the word that goes best with the image geothermal sound solar
geothermal
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what is one way to avoid computer - related health problems? (1 point) …
Take frequent breaks that include moving around and stretching.
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hydroelectric and coal - fired power plants produce electricity in a si…
increased greenhouse gases being released
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which of the following is an environmental problem associated with usin…
Disposal of radioactive waste
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alex works at his computer for several hours a day. he is careful to si…
- B. vision problems - C. sleep problems - D. headaches
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drag the missing word into place. an object’s can be either kinetic or …
mechanical energy
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while researching machines and how they work, tika finds several online…
If the input force is less than the output force, then the input distance must be greater than the output distance.
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what are some examples of musculoskeletal disorders? (1 point) o headac…
low back pain, joint injuries, and repetitive strain injuries
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which statement best describes why a machine is useful? a machine does …
A machine can decrease either the input force or the input distance needed to do a given amount of work.
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use the image below for the next question the image above best represen…
D. Copernicus
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drag the right word to its definition a form of energy created by motio…
kinetic energy
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lucy needs to lift a crate to a shelf 20 m high. she does 12,000 j of w…
83%
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it’s strange that something as small as an atom can release tremendous …
nuclear energy
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a machine can never be 100% efficient because some work is always lost …
A. friction
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drag over the word that goes best with the image geothermal nuclear sol…
solar
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drag the right word to its definition a particle of matter that has a n…
electron
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what is the mechanical advantage of a machine that applies a force of 1…
B. 2
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chivalry by neil gaiman 1 which is the most accurate description of \ch…
1. C. It is a blending of realism and fantasy elements in a short story. 2. B. Mrs. Whitaker’s disinterest in Galaad’s gifts drives him to extraordinary efforts. 3. D. She likes t…
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drag the right word to its definition of, relating to, or caused by hea…
thermal
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drag the missing word into place. when steve pulls back a rock in his s…
potential energy