The characteristic that enables efficient gas exchange in capillaries is:
a. the very short total length of the capillaries.
b. their proximity to the heart.
c. thick walls of connective and muscle tissue.
d. thin walls that are only one cell wide.
e. the long total length of the capillaries.
d
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Paralytic shellfish poisoning occurs when humans eat shellfish that have fed on
A. Gonyaulax spp. B. Salmonella spp. C. Vibrio cholerae. D. E. coli.
A higher protein concentration within the distal portion of capillaries draws water into them through the process of
A. diffusion. B. facilitated diffusion. C. active transport. D. filtration. E. osmosis.
In muscle innervation motor nerve fibers signal muscle movement from the region called the neuromuscular junction.
Answer the following statement true (T) or false (F)
Hansen's disease is caused by which of the following?
A. Mycobacterium tuberculosis B. Mycobacterium bovis C. Mycobacterium avium D. Mycobacterium leprae