The names of muscles often indicate the action of the muscle. What does the term levator mean?
A) The muscle flexes and rotates a region.
B) The muscle is a fixator and stabilizes a bone or joint.
C) The muscle elevates and/or adducts a region.
D) The muscle functions as a synergist.
C) The muscle elevates and/or adducts a region.
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The cells of a blastocyst that help form the chorion constitute the
A. blastomere. B. inner cell mass. C. zona pellucida. D. trophoblast.
The shape of the lens is controlled by the
A) pupillary sphincter muscles. B) pupillary radial muscles. C) ciliary muscles. D) iris. E) cornea.
The cardiac control center of the ________ coordinates the autonomic innervation of the heart.
A. medulla oblongata B. pons C. midbrain D. cerebrum
High-quality ________ proteins are those that provide all the essential amino acids
A) fibrous B) complete C) globular D) net E) incomplete