Question

complete the statements below.
when muscles contract, they become
▼.
shorter and thinner
shorter and thicker
longer and thinner
longer and thicker
ar end, legs, and feet are
muscles.
ove food down the digestive

Explanation:

Muscle contraction involves the sliding of actin and myosin filaments, which causes the muscle fibers to shorten. As they shorten, the muscle mass is redistributed, making the muscle thicker. So when muscles contract, they become shorter and thicker.

Answer:

shorter and thicker