Question

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

1️⃣ diaphragm
2️⃣ trachea
3️⃣ nose
4️⃣ throat​

Answer 1

Answer:

1️⃣ diaphragm is the answer

hope this helps you

Answer 2

Answer:

DIAPHRAGM

Explanation:

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