Identify the correct match.
A) Systole = relaxation of heart chambers
B) Diastole = contraction of heart chambers
C) Cardiac output = the amount of blood ejected by the right ventricle in one minute
D) Stroke volume = the amount of blood ejected by an atrium in a single beat
E) SA node = tissue mass embedded in the posterior wall of the right atrium
E) SA node = tissue mass embedded in the posterior wall of the right atrium
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Skin is an entirely waterproof barrier, preventing all gain or loss of fluid from the skin except sweat
Indicate whether this statement is true or false.
Graded potentials may
A) depolarize the membrane to the threshold voltage. B) initiate an action potential. C) hyperpolarize the membrane. D) be called EPSPs or IPSPs. E) All of the statements are true.
Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
10) Label J: ______________________________
11) Label K: ______________________________
12) Label L: ______________________________
13) Label M: ______________________________
14) Label N: ______________________________
15) Label O: ______________________________
16) Label P: ______________________________
17) Label Q: ______________________________
The ________ of the stomach and intestine secrete histamine and serotonin.
A. chief cells B. parietal cells C. enterochromaffin-like (ECL) cells D. G cells