What ate the impprtance of oxygen?any 10 points.

1.	What ate the impprtance of oxygen?any 10 points.
Answer» Answer: Oxygen is essential for respiration because the body uses it to 'burn' food molecules. ANIMALS take in oxygen when inhaling and give off CARBON dioxide when exhaling. Oxygen makes up ALMOST 21% of the TOTAL gases in air, with most of the remaining gas being physiologically inert nitrogen. ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘs ᴜ ᴍᴀᴛᴇ

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Answer:

Oxygen is essential for respiration because the body uses it to 'burn' food molecules. ANIMALS take in oxygen when inhaling and give off CARBON dioxide when exhaling. Oxygen makes up ALMOST 21% of the TOTAL gases in air, with most of the remaining gas being physiologically inert nitrogen.