The AV valve that is located on the same side of the heart as the origin of the aorta is the
A. bicuspid or mitral valve.
B. tricuspid valve.
C. aortic semilunar valve.
D. pulmonary semilunar valve.
E. coronary sinus valve.
A
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Which of the following is incorrect pertaining to a mesentery?
A) It is sensitive to laceration near its attachment to organs. B) It is a double-layer of peritoneum. C) It transmits nerves and blood vessels to organs from the body wall. D) It constitutes a region of continuity between visceral and parietal peritoneum. E) It contains lymph nodes and vessels.
Shaking the head "no" causes changing of the signal originating from the ________ semicircular canal.
Fill in the blank(s) with the appropriate word(s).
The thoracic cavity contains the heart and lungs.?
Indicate whether the statement is true or false
A portal system
A. is one in which multiple arteries converge on one organ or body region. B. is a simple circulatory system with an arteriovenous anastomosis. C. includes a functional end artery that makes an arterial anastomosis. D. is one in which blood flows through two capillary beds before being sent back to the heart. E. is one in which circulation to a large organ involves only one artery and one main (portal) vein.