Vibration due to exhaled air that results in speech is a function of the ________
A) trachea
B) larynx
C) pharynx
D) glottis
E) epiglottis
B
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The most crucial factor determining the resting potential of a neuron is the diffusion of
A. sodium out of the cell through leak channels. B. potassium into the cell through gated channels. C. sodium into the cell through gated channels. D. potassium out of the cell through leak channels.
Contraction of the inspiratory muscles causes the thoracic cavity to ________ in volume.
A. decrease B. increase C. remain unchanged
True or False? The affinity of adult hemoglobin for oxygen is greater than the affinity of fetal hemoglobin for oxygen.
Answer the following statement true (T) or false (F)
Where do T-lymphocytes mature?
A. Tonsils B. Spleen C. Thymus gland D. White bone marrow E. Thyroid gland