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respiratory system

Author: ndaba sizakele
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. atria
1. distole
2. ventricular systole
3. Pulmonary artery
4. pulmonary vein
5. aorta
6. Systole
7. Pulse
8. left atrium
9. sinus
10. valves in veins
11. Arteries
12. liver
13. left ventricle-body- right atrium
14. hemolymph
15. ventricle

Answers:
0. blood is pumped out of the ventricles
1. relaxation of herat muscles in cardiac cycle
2. blood vessel that carries blood away from the heart
3. pumps blood to the ventricle
4. blood from the pulmonary veins enters the heart
5. produces pigment that colors usin in waste products
6. prevent backflow of blood
7. regular expansion of artery walls from the beating of the heart
8. carries blood away fro the herat
9. fluid filled spaces
10. path way for the circulation of blood in humans
11. 2nd way in which bllod leaves the heart
12. blood first leaves the heart through
13. A thick walled chamber of the heart
14. when atria and ventricles are contracting during cardiac cycle
15. circulatory fluid
.