When a neuron becomes stimulated (excited), ________.
A. the interior of the neuron becomes more negative
B. sodium gates in the cell membrane close
C. sodium gates in the cell membrane open
D. the entire neuron remains at rest
Answer: C
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Relaxation is facilitated by the release of passive tension that developed in cablelike __________ proteins that were compressed during contraction
Fill in the blank with correct word.
What statement best describes tidal volume?
A) Tidal volume is the air exhaled after normal inspiration. B) Tidal volume is the air remaining in the lungs after forced expiration. C) Tidal volume is the air forcibly expelled after normal expiration. D) Tidal volume is the air exchanged during normal breathing.
In a penetrating wound, ________ divide to produce mobile cells that repair the dermis
A) granulation cells B) dendritic cells C) macrophages D) fibroblasts E) muscle cells
Approximately every twenty eight days the female begins a new ___________cycle.
Fill in the blank(s) with the appropriate word(s).