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respiratory system

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

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

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