The volume of gas inspired or expired in a quiet respiration cycle is the ________.

A. inspiratory reserve volume
B. tidal volume
C. vital capacity
D. residual volume


Answer: B

Anatomy & Physiology

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Indicate whether this statement is true or false.

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Indicate whether the statement is true or false

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A neuromodulator

A. inactivates neurotransmitters. B. acts as a neurotransmitter. C. is a receptor site for a neurotransmitter. D. is a substance released from neurons that influences the sensitivity of neurons to neurotransmitters. E. has no influence on the amount of neurotransmitter released.

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