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respiratory system

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

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

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