Biology, asked by sachdevasimor1, 10 months ago

______________ is a respiratory substance. fill the blank...

Answers

Answered by Anonymous

2

Answer:

Lungs is a respiratory system.

hope it help u mate

please mark me as brainliest

Answered by SᴘᴀʀᴋʟɪɴɢCᴀɴᴅʏ

3

Protein is a respiratory substance.

HOPE IT HELPS YOU DEAR!!!!

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