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respiratory system

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

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

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