Answer: the muscles are that form the human body . The muscles contract, stretch or tense, the contactions can be isotonic, muscle fibers contract and modify their length.
The muscles in the back of the leg are called bicepcs.The muscles of the foot are called the abductor of the big toe, short flexor, pedio,and finger length.
The peristaltic movement by which contractions and relaxations occur along the digestive tract.
Explanation:
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Answer:
When muscles contract, they become SHORTER AND THICKER.
The muscles of the rear end, legs, and feet are called ANTI-GRAVITY muscles.
SMOOTH muscles move food down the digestive tract.
