Refer to Figure 42-2. When an electrical impulse travels along the neuron labeled 2:

a. the hand will be extended.
b. the hand will be withdrawn.
c. the fingers will flex.
d. the fingers will extend.
e. the hand will remain stationary.


B

Biology & Microbiology

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Which tissue acts to transport nutrients and wastes throughout the body?

a. blood b. adipose tissue c. loose connective tissue d. fibrous connective tissue e. cartilage

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The type of receptor that consists only of a naked nerve fiber ending is called a 

A. Pacinian corpuscle. B. Meissner's corpuscle. C. nociceptor. D. cochlear hair cell. E. cone.

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Inbreeding is less likely to produce offspring that are homozygous for a harmful recessive trait.

a. true b. false

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