The nasal cavity is separated from the oral cavity by the
A) hard palate.
B) soft palate.
C) cribriform plate.
D) internal nares.
E) pharyngeal septum.
A
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In motor pathways, axons of lower motor neurons exit the ________ and project to the ________ to be innervated.
A. CNS; skeletal muscle B. CNS; sensory receptor C. PNS; sensory receptor D. PNS; skeletal muscle E. CNS; PNS
Chemical reactions that release energy are categorized as
A) endergonic. B) catabolic. C) anabolic. D) hydrolytic. E) exergonic.
Reflex venous vasoconstriction can completely compensate for gravitational effects without skeletal muscle activity
a. True b. False Indicate whether the statement is true or false
The functional units of DNA that contain the instructions for making one or more proteins are
A) chromosomes.
B) genes.
C) ribosomes.
D) codons.
E) RNA.