Describe the composition and functional roles of semen.
What will be an ideal response?
Semen is a fluid mixture of sperm and accessory gland secretions (prostate, seminal vesicles, and bulbourethral glands). The liquid provides a transport medium for nutrients and contains chemicals that protect the sperm and facilitate their movements.
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An immunoliposome is a liposome that
A) can recognize cancer cells. B) stimulates the immune system. C) suppresses the immune system. D) None of the answers are correct.
An increase in sodium reabsorption increases water reabsorption by actively transporting
water into the blood. Indicate whether the statement is true or false
A sphincter has
A. fibers arranged in a parallel form. B. muscle fibers concentrically arranged. C. widespread muscle fibers that converge on a common attachment site. D. fascicles that alternate superiorly and inferiorly. E. fascicles arranged obliquely to their tendon.
Surfactant aids in stabilizing the inflation of alveoli via its ability to decrease surface tension
What best describes the mechanism of interdependence, created by the pores of Kohn and canals of Lambert, which is also important in alveolar inflation. A. connect adjacent alveoli and terminal airways to adjacent alveoli B. connect nonrespiratory bronchioles to alveoli C. connect nonrespiratory bronchioles to respiratory bronchioles D. connect adjacent respiratory bronchioles