Define estrus
What will be an ideal response?
State of sexual excitement.
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If the pacemaker cells in the SA node become more permeable to potassium ions, the
A) heart rate will increase. B) heart rate will decrease. C) cells will depolarize. D) cells will hyperpolarize. E) heart rate will decrease and cells will hyperpolarize.
The two major types of phagocytic cells are
A. neutrophils and monocytes.
B. neutrophils and macrophages.
C. monocytes and macrophages.
D. lymphocytes and monocytes.
E. eosinophils and T cells.
What is the purpose of bile in the digestive process??
A) ?Encourages peristalsis B) ?Stores vitamins C) ?Converts starches into glucose D) ?Emulsifies fats
Predict the effect of hypertonic fluid on a cell
A) Hypertonic fluids cause water to be pulled into the cytosol and the cell swells. B) Hypertonic fluids cause water to simultaneously be pulled into and then pushed out of a cell. C) Hypertonic fluids cause water to move out of the cytosol and the cell shrinks. D) Hypertonic fluids cause no water movement into or out of the cell.