The Velocity of Muscle Contraction at Maximum Recruitment Depends on

question 4

Multiple Choice

The velocity of muscle contraction at maximum recruitment depends on

• A) Its afterload
• B) Its velocity of action potential propagation
• C) The turnover number of the myosin ATPase
• D) The number of active cross bridges in each fiber
• E) Both A and C are correct

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Definitions:

Voice Box

Also known as the larynx, it is the organ in the throat involved in breathing, sound production, and protecting the trachea against food aspiration.

Bronchioles

Small airways in the lungs through which air passes before reaching the alveoli, involved in the process of gas exchange.

Capillaries

The smallest blood vessels in the body's circulatory system, responsible for the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues.

Larynx

The organ in the throat involved in breathing, sound production, and protecting the trachea against food aspiration; also known as the voice box.