Nervous tissue regenerates well
Indicate whether the statement is true or false.
FALSE
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Contraction of the cremaster muscles
A) tenses the scrotum. B) pulls the testes closer to the body cavity. C) propels sperm through the urethra. D) moves sperm through the ductus deferens. E) tenses the scrotum and pulls the testes closer to the body cavity.
When the membrane potential decreases, the inside of the membrane becomes ___ negative. this is called ___.
Fill in the blank(s) with the appropriate word(s).
Which of the following are signs of stress?
A) fatigue and irritability B) headache C) digestive disturbances D) all of the above are signs of stress
Which muscle will depress the scapula or elevate the ribs?
A. levator scapulae B. serratus anterior C. pectoralis minor D. subclavius E. rhomboideus major