Question

word bank
digestion elastic myosin actin contraction voluntary contract involuntary a
eriorate oxygen waste products adequate oxygenated unoxygenated carbon d
primarily extremities
______ - process of breaking down food mechanically and chemically
______ - easily stretched
______ - a protein in muscles that helps them contract
______ - a protein present in all cells and in muscle tissue; plays a role in contra
______ - a tightening or narrowing of a muscle, organ, or other body part
______ - under the control of the person (e.g. you voluntarily raise your arm; it
rise automatically)
______ - to shorten, to draw together; muscles shorten when you flex a body
______ - not under control
______ - a center point that can be rotated around
______ - break down
______ - element in the atmosphere that is essential for maintaining life in m
organisms
______ - elements that are unfit for the body’s use and are eliminated from t
______ - enough, sufficient
______ - containing oxygen
______ - lacking oxygen
______ - a gas, heavier than air; a waste product from the body
______ - for the most part; chiefly
______ - arms, legs, hands, and feet

Explanation:

Each term is matched to its definition using the provided word bank, aligning biological and anatomical terminology with their descriptive meanings.

Answer:

Myosin - A protein in muscles that helps them contract
Actin - A protein present in all cells and in muscle tissue; plays a role in contraction
Contraction - A tightening or narrowing of a muscle, organ, or other body part
Voluntary - Under the control of the person (e.g. you voluntarily raise your arm; it does not rise automatically)
Contract - To shorten, to draw together; muscles shorten when you flex a body part
Involuntary - Not under control
Deteriorate - Break down
Oxygen - Element in the atmosphere that is essential for maintaining life in most organisms
Waste Products - Elements that are unfit for the body’s use and are eliminated from the body
Adequate - Enough, sufficient
Oxygenated - Containing oxygen
Unoxygenated - Lacking oxygen
Carbon Dioxide - A gas, heavier than air; a waste product from the body
Primarily - For the most part; chiefly
Extremities - Arms, legs, hands, and feet