Anatomy and Physiology Unit 11 Test Review

What is the function of serous fluid around the heart? To reduce friction between heart beats and prevent heart layers from sticking together. Label the artery, capillary and vein. Also label the layers of each. QRS Complex. P Wave to P-Segment. ST Segment to T wave. lumen. capillary. Tunica externa. valve. Tunica media. Tunica intima. vein. artery ................
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