How many body systems contribute to homeostasis?
a. 5
b. 7
c. 9
d. 11
e. 15
d
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Where on the cerebral cortex is taste information sent?
A. Medulla oblongata, insula, and thalamus B. Thalamus, insula, and postcentral gyrus C. Temporal lobe, precentral gyrus, and prefrontal cortex D. Prefrontal cortex, postcentral gyrus, and insula
The first heart sound is heard when the
A) AV valves open. B) AV valves close. C) semilunar valves close. D) atria contract. E) blood enters the aorta.
Which of the following statements about larger lymphatics is incorrect?
A. They have thicker walls than veins. B. They have valves. C. The tunica media has smooth muscle and elastic fibers. D. The tunica externa is relatively thin. E. The endothelium of the tunica interna is similar to that of veins.
Which of the following is/are not part of the axial skeleton?
A. The vertebrae B. The ribs C. The sternum D. The clavicles E. The parietal bone