The ____________________ or ____________________ of a nerve cell is a single, elongated tubular process that conducts action potentials away from the cell body and eventually terminates at other cells
Fill in the blank(s) with correct word
axon, nerve fiber
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A protective function of the respiratory system would be
A. olfaction by drawing molecules into the nasal cavity. B. producing ACE which helps regulate blood pressure. C. altering blood pH by changing blood CO2 levels. D. preventing microorganisms from entering the body.
Which of the following is mismatched?
A. M line - middle of the H zone B. Actin myofilaments - thin myofilaments C. Z disk - structure between adjacent sarcomeres D. Myosin myofilaments - thin myofilaments E. I band - contains only actin
The initial response to stress is called the ________ and is mediated mainly by ________
A) resistance stage; cortisol B) alarm reaction; norepinephrine and epinephrine C) alarm reaction; cortisol D) resistance stage; aldosterone and cortisol E) exhaustion stage; norepinephrine and epinephrine
Which skin infection is caused by a virus?
A. Tinea infections B. Cancer C. Warts D. Cellulitis