Sweating is the only mechanism for heat loss when body temperature is the same as environmental temperature
Indicate whether the statement is true or false
T
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Which statements are correct concerning the sympathetic division of the ANS?a: Preganglionic neuron cell bodies are located in the lateral horns of the T1?L2 regions.b: Preganglionic neuron cell bodies are located in brainstem nuclei.c: It is associated with the oculomotor and facial nerves.d: It participates in the "fight-or-flight" response.e: Preganglionic neuron cell bodies are located in the sacral region of the spinal cord.
A. a, c, d, e B. a, d C. a, b, d D. b, d E. b, c, e
The type of muscle fibers that are striated, form Y-shaped branches, and are joined by intercalated discs are
A. skeletal. B. cardiac. C. smooth. D. voluntary. E. skeletal and voluntary.
Choose the correct pairing of macromolecule type to its function
A) lipid - manufactures proteins B) DNA - controls reaction rates C) carbohydrate - major source of energy D) protein - comprises majority of membrane structure E) RNA - determines our inherited characteristics
Which value related to semen production is correct?
a. average volume ejaculated is 1 ml b. total sperm count averages about 100 million c. maximal sperm count is about 400 million d. semen contains only sperm e. none of the above