The most important factor in decreasing the intracellular concentration of calcium ion after contraction is
A) Active transport of calcium across the sarcolemma.
B) Active transport of calcium into the sarcoplasmic reticulum.
C) Active transport of calcium into the synaptic cleft.
D) Diffusion of calcium out of the cell.
E) Diffusion of calcium into the sarcoplasmic reticulum.
B) Active transport of calcium into the sarcoplasmic reticulum.
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Defense of the body against a particular pathogen is provided by
A) innate immunity. B) adaptive immunity. C) immunological surveillance. D) skin defenses. E) fever.
It was often rumored that one of our deceased presidents was suffering from Addison's disease (inadequate synthesis of mineralocorticoids and glucocorticoids). What symptoms may have led to the diagnosis of this condition?
What will be an ideal response
Mucus glands stop before the _______ bronchioles.
Fill in the blank(s) with the appropriate word(s).
The afterbirth refers to the
A. umbilical cord. B. cloaca. C. placenta. D. effacement.