The left ventricle is more muscular than the right ventricle because it must push the blood

A) against gas pressure in the lungs.
B) through the pulmonary arteries only.
C) through the body's extensive system of vessels that nourish all cells.
D) through wider blood vessels.


C

Biology & Microbiology

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Isotopes are atoms of the same element with the same umber of protons and

a) a different number of electrons b) a different number of molecules c) a different numbers of neutrons d) the same number of neutrons

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Microbial resistance to drugs is acquired through _____.

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Autoantigens are types of self-antigens that initiate an autoimmune response that can cause damage to host tissue.

Answer the following statement true (T) or false (F)

Biology & Microbiology