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respiratory system

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

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

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