?Describe what happens physiologically when a muscle contracts and relaxes.

What will be an ideal response?


?Each skeletal muscle is composed of many muscle fibers (cells), each of which has the ability to contract or relax. A muscle fiber contracts when it receives a nerve impulse from the central nervous system (brain and spinal cord). After contracting, a muscle fiber relaxes until it receives another nerve impulse.

Health & Biomechanics

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The suffix that means condition of stones is ________.

Fill in the blank(s) with the appropriate word(s).

Health & Biomechanics

The female gonads are called the ____________________.?

Fill in the blank(s) with correct word

Health & Biomechanics

Digestion and metabolism problems in the elderly are common due to reduced levels of pancreatic hormones and what other hormones?

a. Gonadotropins b. Thyroid hormones c. Pituitary hormones d. Adrenal hormones

Health & Biomechanics

Having just a single cup of regular coffee after dinner is highly unlikely to disturb your sleep if you retire around midnight

Indicate whether the statement is true or false

Health & Biomechanics