The respiratory center gathers information from a variety of sources in order to set the rate and depth of breathing. This is an example of what type of neural circuit?
A. Reverberating
B. Convergent
C. Divergent
D. Parallel after-discharge
Answer: B
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A _____ is a polar covalent bond that joins two amino acids together through a synthesis reaction.
Fill in the blank(s) with the appropriate word(s).
Sebum is a secretion that
A. cools the skin and eliminates certain drugs. B. lubricates skin and helps defend against bacteria. C. acts as a pheremone once reproductive maturity is reached. D. maintains water balance through waterproofing the skin.
Phenotype is the result of genetic influences only.
Answer the following statement true (T) or false (F)
What changes in the blood levels of respiratory gases result from hyperventilation?
A. Oxygen and carbon dioxide levels fall. B. Oxygen levels do not change but carbon dioxide levels fall. C. Oxygen levels rise and carbon dioxide levels fall. D. Oxygen and carbon dioxide levels rise.