The figure is a process figure of the chemical synapse. What does "D" represent?
A. Voltage-gated Ca2+ channel
B. Synaptic vesicle
C. Presynaptic terminal
D. Synaptic cleft
E. Postsynaptic membrane
Answer: D
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Answer the following statement true (T) or false (F)
Kevin, a young child with elevated plasma cortisol concentration, is is likely to have reduced height.
Answer the following statement true (T) or false (F)
What type of fluid is called lymph when it enters a lymph vessel?
a. serum b. interstitial fluid c. serous fluid d. blood plasma
Residual air is important because it:
a. signals the need to breathe again b. provides a rest period for the respiratory muscles c. provides for continuous exchange of gases d. prevents collapse of the lungs