Question

Plz answer all this question . I need the first and best answer

Answer 1

Answer:

1... there are four Chambers in heart. ......2arteries and 2, ventricle

2...aorta

3... because blood is pumped out by heart with greater pressure

4...arteries... thick wall

they have no valves

carry oxygenated blood except pulmonary arteries

veins.......thin wall

having valves

carry deoxygenated blood except pulmonary vein

6.... lymph is a colorless fluid containing WBC which bath drain and tissues through lymphatic system into blood stream

7.... transport WBC. to and from lymph nodes into the bones.

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