The functions of the human nervous system include
A. sensory input.
B. detection of stimuli.
C. integration.
D. generation of motor output.
E. All of the choices characterize the human nervous system's functions.
Answer: E
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The letter "D" in the above figure represents the ____
a. style b. ovary c. stigma
d. anther e. filament
Distilled water refers to water that is nearly free of
a. solutes. b. ions. c. gases. d. suspended solids. e. none of these.
Which of the following accurately describes sympathetic control of blood vessels in the skin during thermoregulation?
A) Heat causes a decrease in sympathetic activity, resulting in vasoconstriction. B) Heat causes an increase in sympathetic activity, resulting in vasodilation. C) Heat causes an increase in sympathetic activity, resulting in vasoconstriction. D) Heat causes a decrease in sympathetic activity, resulting in vasodilation. E) Heat activates the parasympathetic activity and has no effect on the sympathetic nervous system.
Flower color in snapdragons is an example of incomplete dominance. When a red-flowered plant is crossed with a white-flowered plant, the offspring have pink flowers. If a pink-flowered plant is crossed with another pink-flowered plant, their offspring will be:
a) 50% pink and 50% red. b) 25% red, 50% pink, and 25% white. c) 25% white and 75% red. d) all white. e) all pink.