Biology, asked by jisratjahanjoha, 6 hours ago

(ii) Sometimes the hole in baby's heart does not close. Explain what effect this will have on the baby.

Answers

Answered by sunithaedaniranjan

Answer:

These usually close during pregnancy or shortly after birth. If one of these openings does not close, a hole is left, and it is called an atrial septal defect. The hole increases the amount of blood that flows through the lungs and over time, it may cause damage to the blood vessels in the lungs.

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