What vessels carry blood to the alveoli of the lungs for exchange of carbon dioxide and oxygen?
A) systemic veins
B) pulmonary veins
C) systemic arteries
D) pulmonary arteries
Ans: D) pulmonary arteries
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The ________ is the amount of blood in a ventricle after it has contracted and before it begins to refill.
Fill in the blank(s) with the appropriate word(s).
Most pseudo-unipolar neurons are ________ neurons.
Fill in the blank(s) with the appropriate word(s).
White blood cells digest other cells and so would be expected to
A. possess cilia on their surfaces so they can move quickly. B. have large numbers of lysosomes. C. excrete excess salt as a result of all this eating. D. expel their nuclei to make room for all of the cells they eat. E. have mitochondria to energize them.
Where are most clotting factors synthesized in the body?
A. Perivascular tissue B. Liver C. Kidneys D. Red bone marrow E. Spleen