The mouth opens into the
A) laryngeal cavity.
B) mouth cavity.
C) pharynx.
D) nasal cavity.
E) buccal cavity.
E) buccal cavity.
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The ____________________ renal artery is longer.
Fill in the blank(s) with the appropriate word(s).
Autonomic motor neurons regulate visceral activities by
1. increasing activities in effector tissue. 2. decreasing activities in effector tissue. 3. changing the direction of impulse conduction across synapses. a) 1 only b) 2 only c) 3 only d) Both 1 and 2 e) None of these choices
A tissue transplant from one person to another (one who is not genetically identical) is a(n)
A. autograft. B. syngenetic graft. C. allograft. D. heterograft. E. homograft.
Deoxygenated blood enters which side of the heart?
A) left side B) right side C) both sides D) neither side