What is the goal of cardiovascular regulation?
a. to equalize the stroke volume with the cardiac output
b. to equalize the blood flow with the pressure differences
c. to maintain adequate blood flow through peripheral tissues and organs
d. to increase pressure and reduce resistance
Answer: c. to maintain adequate blood flow through peripheral tissues and organs
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The interstitial cells of the testes produce
A. seminal fluid. B. androgens. C. sperm cells. D. spermatogenic cells.
Systole is the phase when the heart contracts.
Answer the following statement true (T) or false (F)
The endocrine gland shown in the diagram is found in a depression in the sphenoid bone (marked in the diagram) called the
a) maxilla. b) infundibulum. c) primary plexus. d) cribiform plate. e) hypophyseal fossa
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