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Kalboboy12456410032go
Answered

Fill the blanks
1.The two tubes that branch out at the end of the trachea are called____
2.The rid cage ______ when one inhales.
3.The _______ prevents food from entering the trachea.
4.________ is a gas needed by humans.

A. epiglottis B. carbon dioxide C. bronchi D. oxygen E. contracts F. expands

Sagot :

KurohaTgo

Answer:

1. C. bronchi

2. F. expands

3. A. epiglottis

4. B. carbon dioxide

Explanation:

Mishika45go

Answer:

1. C. Bronchi

2. E. Contracts

3. A. Epiglottis

4. D. Oxygen

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