The chordae tendineae
A. are part of the conducting system of the heart.
B. are found in the interventricular septum.
C. are a part of the myocardium.
D. connect the atria to the ventricles.
E. connect the cusps of the AV valves to the papillary muscles.
Answer: E
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A) celiac trunk. B) inferior mesenteric artery. C) internal iliac artery. D) abdominal aorta. E) external iliac artery.
Diseases of the immune system are usually divided into four main groups.
a. true b. false
This region contains the atlas and the axis.
A) cervical B) thoracic C) lumbar D) sacral
Which of the following is involved in breaking up old erythrocytes and disposing of the cellular remains?
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