In infants, which muscle allows for the mouth to form a tight fit around the nipple during suckling at the breast?
A) masseter
B) buccinator
C) orbicularis oris
D) risorius
E) levator labii
C) orbicularis oris
Anatomy & Physiology
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Hookworms are visceral larva migrans
Indicate whether the statement is true or false
Anatomy & Physiology
Nerve cells in the central nervous system are primarily
A. Interneurons. B. Sensory neurons. C. Glia. D. Motor neurons.
Anatomy & Physiology
Cardiac muscle has more mitochondria and depends less on a continual supply of oxygen than does skeletal muscle.
a. true b. false
Anatomy & Physiology
The amino acid sequence of a protein is its ________ structure.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology