5 The veins of the systemic circuit carry blood blood, and the veins of the pul

Question

5 The veins of the systemic circuit carry blood blood, and the veins of the pul Carry oxygenated; deoxygenated b. oxygenated; oxygenated d deotygenated, onygernated The pulmonary and aortic valves are known as the a. atrioventricular (AV) valves c coronary valves 6 seminar vahes d. chordae tendineae. 7 The right and left coronary arteries are the first branches off the aorta. b supenor vena cava. c pulmonary trunk d pulmonary veins. The main vein that drains the coronary circulation is the a. supenor vena cava b. pulmonary vein c. small cardiac vein d. coronary sinus 8 9 The coronary artery that resides in the left atrioventricular sulcus is the a. anterior interventricular artery b. circumflex artery c. right coronary artery d. marginal artery Adjacent cells are joined 10 Fill in the blanks: Cardiac muscle cells are also known as Cliscs which allow the heart to Conract as a vnit together by0tercaiated

Explanation / Answer

Ans 8-Coronary sinus

largest vein in the posterior atrioventricular sulcus drainage 75% of coronary fibre, veins empty into right atrium.

And-9-right coronary artery

artery that lies in the right atrioventricular sulcus and has branches that supply the posterior and anterior surfaces of the ventricular muscle.

Ans-5 a oxygenated and deoxygenated

Ans-6 semilunar

Ans-7 aorta

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