Biology, asked by dddddddddd55t5, 1 year ago

Describe the events that take place in the thorax to cause air to be taken into the lungs

Answers

Answered by ItsShreedhar
2

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Inspiration (breathing in)

The diaphragm contracts and moves downwards. The intercostal muscles contract and move the ribs upwards and outwards. This increases the size of the chest and decreases the air pressure inside it which sucks air into the lungs.

Answered by Anonymous
2

Answer:

Inspiration (breathing in)

The diaphragm contracts and moves downwards. The intercostal muscles contract and move the ribs upwards and outwards. This increases the size of the chest and decreases the air pressure inside it which sucks air into the lungs.

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