Science, asked by shiva12361, 7 hours ago

The lungs expand in inspiration / inhalation due to

.Diaphragm contracts upward

.The volume of thoracic cavity increases

.External intercostal muscles relax

.Diaphragm relaxes​

Answers

Answered by phanindhra58
2

Answer:

.Diaphragm contracts upward

. The volume of thoracic cavity increases

Explanation:

these both, the lungs expand in inspiration / inhalation.

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