Pulmonary ventilation refers to
A) the movement of air into and out of the lungs.
B) the movement of dissolved gases from the alveoli to the blood.
C) the movement of dissolved gases from the blood to the interstitial space.
D) the movement of dissolved gases from the interstitial space to the cells.
E) the utilization of oxygen.
A) the movement of air into and out of the lungs.
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Why does anaerobic respiration take place when O2 is not available?
a. to continue releasing at least some energy from molecules. b. to continue the glycolysis processes. c. to generate some ATP. d. to regenerate the limited NAD. e. all of these answers.
Axons from the olfactory nerve synapse onto dendrites of mitral cells in this structure:
a. the nasal organ. b. the olfactory mucosa. c. the olfactory cortex d. thalamus e. glomeruli
The swallowing center is located in the ________
A) medulla oblongata B) enteric nervous system C) oropharynx D) esophagus E) mouth