When you breathe in what happens to the trachea? the trachea co...

The air that you breathe is a gas.List other gases that you have heard about in a science class.

How do I breathe?

As you breathe in and out you should notice the movement in your blank not your blank or blank stoma...

Air that we breathe contains (select all that apply) Group of answer choices nitrogen carbon...

when I breathe should my right ribcage move more than my left

The air we breathe contains different individual gases (mostly nitrogen and oxygen). Which of the fo...

The air we breathe is mostly a mixture of oxygen and hydrogen. How do air molecules change above 100...

When you breathe you take in ________

Most of the air we breathe is made up of _________. Choose the best answer from the options bel...

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