You have just disembarked from an airplane following a cross-country flight. You are experiencing difficulty in hearing and notice that your ears are plugged
To relieve the pressure you try "yawning" to clear the ear canal. It worked. What muscle was involved?
A. Middle constrictor
B. Levator veli palatini
C. Salpingopharyngeus
D. Palatopharyngeus
E. Tensor veli palatini
E
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Select the description below that illustrates a difference between a sphincter and circular muscle
A) A sphincter is a thickening of circular muscle that can prevent the movement of digesting materials while circular muscle is involved in propulsion digesting material. B) Sphincters are found throughout the GI tract while circular muscle is found only in the proximal portion of the GI tract. C) A sphincter is composed of smooth muscle while circular muscle is composed of skeletal muscle tissue. D) Sphincters are found in the proximal portion of the GI tract while circular muscle is found in the distal portions.
The type of movements where one linear part of the body bends relative to another part would be ______ movements.
What is transported across a membrane during osmosis?
A) water B) sugars C) salts D) solutes
The _______ arteries branch from the ascending aorta
Fill in the blank(s) with the appropriate word(s).