Question

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Answer 1

Answer:

I) From B to A to C to the lungs.

ii) A - right atrium

D - Aorta

E - pulmonary vein

G - left ventricle

Explanation:

iii) Deoxygenated blood enters the heart from B (vena cava).

The oxygenated blood pours out to the body from D (aorta)

Answer 2

Answer:(1) is right atrium has deoxygenated blood

(2) a-right atrium  d- aorta e- head of pulmonary veins g- left ventricle

(3) b is valves and they prevent backflow of the blood and d is head of pulmonary veins and it carries oxygenated blood to heart

Explanation: