The primary function of serous fluid appears to be
A. to serve as a lubricant.
B. to provide a stabilizing force.
C. to provide an attachment surface.
D. to store energy.
E. to insulate.
Answer: A
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What is a main function of the myenteric plexus?
A. It sends sensory information to the CNS through glossopharyngeal nerves. B. It controls glandular secretion of the mucosa. C. It controls glandular secretion of the pancreas. D. It controls peristalsis. E. It stimulates bile production in the liver.
Urea is
a. a waste product resulting from the breakdown of protein b. passively reabsorbed at the end of the proximal tubule down a urea concentration gradient created by the osmotic-induced reabsorption of water from the proximal tubule c. recycled between the late portion of the collecting tubule and the long loops of Henle and this contributes to medullary hypertonicity d. found in the blood, filtrate, and urine e. all of the above
All of the following are muscles that control movements of the eyeball EXCEPT the ________
A) orbicularis oculi B) superior rectus C) medial rectus D) inferior oblique
________ myofilaments are structures within the sarcomere that consist mostly of actin.
Fill in the blank(s) with the appropriate word(s).