The ________ nervous system consists of the brain and spinal cord.
Fill in the blank(s) with the appropriate word(s).
central
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The sensory receptor with the highest concentration per one square inch of skin is the:
a. sensor for pressure b. sensor for heat c. sensor for cold d. all sensors in the skin are in equal concentration
The cytoskeleton is the protein scaffolding of the cell and serves as its "bones and muscles."
a. True b. False Indicate whether the statement is true or false
Baroreceptor reflexes
A. are triggered by increased blood osmolality. B. correct changes in blood pH. C. do not impact the activity of the heart. D. are of minor importance in humans. E. can change heart rate.
When comparing gamete production in males and females, males produce
A. more gametes that are larger in size. B. more gametes that are smaller in size. C. fewer gametes that are larger in size. D. fewer gametes that are smaller in size.