destined for a career in the er? or should you explore other avenues? take this quiz to see how well you know your body by melissa forgas, 17 1 how much of your body is made up of water? a 10% b 50% c 70% d 90% 2 what is cartilage? a a bone in your hand b a really great place to get a piercing c the soft and flexible material in your joints d a bone in your ear 3 the pituitary gland: a controls the sweat in your armpits. b is a pea - sized gland, which releases hormones that help you grow. c is the \sour\ sensor on your tongue. d is another name for a hair follicle. 4 how old are you when your bones stop growing? a 18 b 25 c 40 d they never stop growing 5 earwax is: a gross. b what protects the ear canal and keeps it clean. c the dirt that collects in the ear. d made up of dead skin cells. 6 how many bones are in your hand? a 10 b 27 c 30 d 85 7 what is the femur? a a special bone that only females have. b the bone connecting your elbow and shoulder. c the bone connecting your pelvis and knee. d the bone at the bottom of your heel. 8 the heart’s valves are called: a mitral b tricuspid c aortic d all of the above 9 what are bones held together by? a joints b hinges c ligaments d tendons 10 where is the larynx located? a above the voice box b under the esophagus c on your tongue d in your lungs 11 why do we have nails? a they are extensions of the bones in your fingers. b they make it easier to scratch an itch. c they protect the tips of your fingers and toes. d they can tell us if our bodies are lacking nutrients. 12 how fast does air move out of your mouth when you sneeze? a 20mph b 50mph c 100mph d 300mph 13 what is your body’s largest organ? a your lungs b your intestines c your stomach d your skin 14 why do we have our wisdom teeth removed? a they can harm our gums if they get too large. b we don’t need them anymore. c we already have enough wisdom. d our jaws begin to shrink as we age.

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Accepted Answer

### Question 1
# Brief Explanations:
The human body is composed of about 70% water. So the correct option is c.
# Answer:
c. 70%

### Question 2
# Brief Explanations:
Cartilage is the soft and flexible connective tissue found in joints (among other places). Option a is wrong (not a bone), b is a non - scientific description, d is wrong (not a bone in the ear). So the correct option is c.
# Answer:
c. The soft and flexible material in your joints

### Question 3
# Brief Explanations:
The pituitary gland is a pea - sized gland that releases growth - related hormones. Option a is incorrect (it has a broader hormonal role), c is wrong (taste sensors are on the tongue), d is wrong (not related to hair follicles). So the correct option is b.
# Answer:
b. is a pea - sized gland, which releases hormones that help you grow.

### Question 4
# Brief Explanations:
Bones typically stop growing around the age of 25. Option a (18) is too young, c (40) is too old, and d is incorrect as bones do stop growing. So the correct option is b.
# Answer:
b. 25

### Question 5
# Brief Explanations:
Earwax (cerumen) protects the ear canal and keeps it clean. Option a is a subjective opinion, c is wrong (it's not just dirt), d is only part of its composition (it also has secretions from glands). So the correct option is b.
# Answer:
b. what protects the ear canal and keeps it clean.

### Question 6
# Brief Explanations:
A human hand has 27 bones. So the correct option is b.
# Answer:
b. 27

### Question 7
# Brief Explanations:
The femur is the thigh bone that connects the pelvis to the knee. Option a is wrong (both genders have it), b is the humerus, d is the calcaneus. So the correct option is c.
# Answer:
c. The bone connecting your pelvis and knee.

### Question 8
# Brief Explanations:
The heart has mitral, tricuspid, and aortic valves (among others). So the correct option is d.
# Answer:
d. All of the above

### Question 9
# Brief Explanations:
Bones are held together by ligaments. Joints are the connections, hinges are a type of joint, and tendons connect muscles to bones. So the correct option is c.
# Answer:
c. Ligaments

### Question 10
# Brief Explanations:
The larynx is the voice box, and it is located above the trachea (but the best option here is a as the voice box is the larynx, so above the voice box is incorrect in a way, but among the options, the larynx is the voice box, so maybe a is a misphrasing but the other options are wrong. Wait, actually the larynx is the voice box, so maybe the option a is a mistake, but among the given options, the larynx is in the neck, above the trachea. The other options: b - under esophagus is wrong, c - on tongue is wrong, d - in lungs is wrong. So the closest is a (maybe a misstatement, but others are wrong).
# Answer:
a. Above the voice box

### Question 11
# Brief Explanations:
Nails protect the tips of fingers and toes. Option a is wrong (not bone extensions), b is a secondary function, d is not their main purpose. So the correct option is c.
# Answer:
c. They protect the tips of your fingers and toes.

### Question 12
# Brief Explanations:
When you sneeze, air can move out of your mouth at about 100 mph. So the correct option is c.
# Answer:
c. 100mph

### Question 13
# Brief Explanations:
The skin is the body's largest organ. Lungs, intestines, and stomach are not the largest. So the correct option is d.
# Answer:
d. Your skin

### Question 14
# Brief Explanations:
As we age, our jaws shrink, and wisdom teeth may not have enough space, so they are often removed. Option a is not the main reason, b is not true (we still have a use for teeth in general), c is a joke. So the correct option is d.
# Answer:
d. Our jaws begin to shrink as we age.

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