The nervous system controls the contraction of in the wall of the bronchioles, thereby adjusting airflow in response to metabolic demands.

A. autonomic; skeletal muscle
B. autonomic; smooth muscle
C. somatic; skeletal muscle
D. somatic; smooth muscle
E. autonomic; cartilage


B. autonomic; smooth muscle

Biology & Microbiology

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movement of organic compounds in phloem is a. the cohesion-tension theory. b. the pressure flow theory. c. active transport. d. the transpiration-pull theory. e. root pressure.

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Generation of an action potential by a neuron may ultimately stimulate

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Which organism is most likely to have a type III survivorship curve?

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