Question

4. Human beings exhale carbon dioxide. How will you
prove it? Explain with activity

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Answer 1

Answer:

we breathe out mostly carbon dioxide. ...

The carbon dioxide produced is a waste product and needs to be removed.

Just like oxygen, carbon dioxide is transferred to blood to be carried to the lungs, where it is removed and we breathe it out.

there is nothing to prove much

...our mouth too has carbon dioxide in it.

Ex- you fill balloon (balloon falls) because of carbon dioxide

if you fill it with helium it will fly away.....

this reason can be for breathing also ( can't say)

hope this can help a little bit

mark brainliest pls