Question

private PRINTED BY 7072806a28515a placeholder 33904 beter 11904. edu. Printing is for personal, priy y be reproduced or transmitted without publisher's prior permission. Violat book may be reprodue 2. What is the function of the fluid that fills the pericardial sac? To reduce fraction during heart activity 3. Match the terms in the key to the descriptions provided below. mcdiaShad 1. location of the heart in the thorax 2. tricuspid and mitral valves 3. discharging chambers of the heart Caicodim 4. visceral pericardium 5. receiving chambers of the heart 6. layer composed of cardiac muscle Cormonte cido nutrient blond to the heart muscle

Answer 1

The structure of the heart comprises of the following parts

a. Left common carotid artery

b. Left subclavian artery

c. Aortic arch

d. Ligamentum arteriosum

e. Left pulmonary artery

f. Left pulmonary vein

g. Left atrium

h.circumflex artery

i. Left coronary artery

j. Left ventricle

k.apex

l. Right ventricle

m.coronary artery

n. Right coronary artery

o. Right atrium

p. Pulmonary trunk

q. Ascending aorta

r. Right pulmonary vein

s.Brachiocephalic artery

2. The function of the pericardial sac is to relieve pressure or friction inside the pericardium during heart beats

3.

1. The heart is located in the mediastinal cavity
2. The tricuspid valve is located in between right atrium and ventricle. The mitral valve is located in between the left atrium and left ventricle
3. The ventricles are the discharging Chambers located in the heart
4. The inner and outer layer of the heart is called as visceral pericardium. It is also called as epicardium
5. The atrium are termed to be the receiving Chambers of the heart
6. The layers of the cardiac muscle are pericardium, myocardium and epicardium