The pressure exerted on the inner walls of the arteries when the heart relaxes between beats is the ____ pressure
a. systolic
b. diastolic
c. barometric
d. residual
Ans: b. diastolic
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The normal human individual has how many
parathyroid glands?
a. 2 b. 3 c. 4 d. 5 e. 6
The gray matter of the forebrain is associated with
the a. cerebral cortex. b. pons. c. optic chiasm. d. corpus callosum. e. thalamus.
Taste buds ____
a. interact directly with taste stimuli b. are found on the tip of the tongue c. send axons directly to the cerebral cortex d. house cells that contain axons e. contain taste receptor cells
When lions prey on a herd of antelopes some are killed and some escape. Which part of Darwin's concept of natural selection might be used to describe this situation?
a. reproductive isolation b. descent with modification c. acquired characteristics d. survival of the fittest