________ increase(s) the surface area of the lining of the small intestine.
A. Peptase
B. Lacteals
C. Villi
D. Chyle
Answer: C
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Many different neurons can stimulate an autonomic ganglion cell simultaneously due to
A. convergence. B. reciprocity. C. divergence. D. reverberation.
Eyelids serve two purposes: one is to protect the eye and the other is to
A. help distribute blood to the eye surface. B. help distribute lacrimal fluid to cleanse and lubricate the surface. C. help spread antiviral solution. D. help to control the transmission of the nerve impulse to the retina. E. prevent excess mucus from obscuring vision.
For facilitated diffusion to occur it requires ________.
A. a gradient B. a carrier protein C. energy D. a gradient and carrier protein
What would be the effect on bone growth of insufficient dietary calcium?
A. The bone would be less flexible. B. The matrix would be softer. C. The epiphyseal plates would ossify earlier in development. D. There would be no effect, because the body is able to synthesize calcium. E. There would be increased formation of spongy bone.