Which of the following is the correct order of elements in a control system?
a. receptor, stimulus, afferent pathway, control center, efferent pathway, effector, response
b. receptor, stimulus, efferent pathway, control center, afferent pathway, effector, response
c. effector, stimulus, efferent pathway, control center, afferent pathway, receptor, response
d. stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
e. stimulus, receptor, efferent pathway, control center, afferent pathway, effector, response
Human Body
d. stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
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The second heart sound is heard when
A) the AV valves open. B) the AV valves close. C) the semilunar valves close. D) the atria contract. E) blood enters the aorta.
The largest division of each lung are ________, which are divided into ________.
A. lobes; lobules B. lobes; segments C. segments; lobules D. segments; lobes E. lobules; segments
Damage to cells of the zona fasciculata of the adrenal cortex would result in
A) the loss of axillary and pubic hair. B) increased volume of urine formation. C) decreased levels of sodium ion in the blood. D) decreased ability to convert amino acids to glucose. E) increased water retention.
Which of the following nerves forms a loop?
a. genitofemoral b. pudendal c. obturator d. ansa cervicalis