Limited branching of preganglionic axons allows for
A. mass activation.
B. local and discrete activation.
C. rapid changes in numerous structures at once.
B
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Answer the following statements true (T) or false (F)
1. A frontal section divides the body into front and back parts. 2. A transverse section divides the body into upper and lower parts. 3. The two major cavities of the body are the abdominal and thoracic cavities. 4. The two major cavities of the body are the dorsal and ventral cavities. 5. The diaphragm divides the thoracic cavity and the abdominal cavity.
Arteries have walls made of three coats or tunics surrounding a hollow core known as the ________
Fill in the blank(s) with the appropriate word(s).
Alcohol consumption causes peripheral vasoconstriction. Why is drinking wine in a hot tub not advised?
What will be an ideal response?
During saltatory conduction, action potentials jump from
A) one astrocyte to another. B) an axon to a dendrite. C) one internode to another. D) one node of Ranvier to another. E) one microglia cell to another.