Which valve prevents the backflow of blood into the left ventricle when the ventricles relax?
A. Right atrioventricular valve
B. Aortic semilunar valve
C. Left atrioventricular valve
D. Pulmonary semilunar valve
E. None of the choices is correct.
Answer: B
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Glycogen is a complex carbohydrate that is obtained by eating plants.
Answer the following statement true (T) or false (F)
Which structure in the figure is the theca interna?
a) A b) H c) E d) D e) F
Of the two bones of the forearm, only the distal aspect of the ________ articulates with the carpal bones of the wrist.
Fill in the blank(s) with the appropriate word(s).
GH
A) is secreted by the anterior pituitary and binds to a plasma protein. B) is secreted by the anterior pituitary. C) binds to a plasma protein. D) is secreted by the posterior pituitary. E) is secreted by the posterior pituitary and binds to a plasma protein.