Question

*Continuous upward and downward movement of 2_______ is necessary to bring about the breathing.*

1️⃣ diaphragm
2️⃣ trachea
3️⃣ nose
4️⃣ throat​

Answer 1

Answer:

diaphragm is right answer.

299% sure

Bhaii jo neeche answer likha hai wo galat hai... diaphragm is the right answer. Neeche wale bhaisab ne trachea bola jo ki bilkul galat hai. Trachea is the wind pipe jo ki apne jagah pe fix hai. hilta nhi hai.

Answer 2

Answer:

trachea

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