The pulmonary arteries carry blood to the
A) heart.
B) lungs.
C) brain.
D) intestines.
E) liver.
Answer: B
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Because of their role in material exchanges, the ________ are considered to be the functional units of the cardiovascular system.
Fill in the blank(s) with the appropriate word(s).
Bone growth in length occurs by mitosis of
A) concentric lamellae. B) cartilage cells in the epiphyseal side of the metaphysis. C) growth of trabeculae. D) osteoblasts in the endosteum. E) cartilage cells in the diaphyseal side of the metaphysis.
Of the three regions of the small intestine, the terminal (end) portion is the _____________
Fill in the blank with correct word.
If a person has been fully immunized as a child, there is no need for vaccines during adulthood.?
Indicate whether the statement is true or false