Cardiovascular System (Heart and Blood)

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created 7 years ago by borderline
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Some Lab Report 37
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1

upper chamber of heart

atruim

2

structure from which chordae tendineae originate

papillary muscle

3

prevents blood movement from right ventricle to right atrium

tricuspid valve

4

double layered membrane

pericardium

5

prevents blood movement from left ventricle to left atrium

bicuspid valve

6

gives rise to pulmonary arteries

pulmonary trunk

7

drains blood from myocardium into right atrium

coronary sinus

8

inner lining of heart chamber

endocardium

9

layer composed largely of cardiac muscle tissue

myocardium

10

potential space containing serous fluid

pericardial cavity

11

drains blood from myocardial capillaries

cardiac vein

12

supplies blood to heart muscle

coronary artery

13

distributes blood to body parts

aorta

14

The period during which a heart chamber is contracting is called

systole

15

the period during which a heart chamber is relaxing is called

diastole

16

during ventricular contraction, the tricuspid and bicuspid valves remain

closed

17

during ventricular relaxation, the tricuspid and bicuspid valves remain

open

18

hear sounds are due to ___________ in the heart tissues created b changes in blood flow.

vibrations