It's a type of drug, I'm pretty sure it's related to ecstacy in some way. Please do not do drugs, they're very harmful to not only you and your body but the people surrounding you, stay safe!
Actually girls grow more than boys because girls develope faster and mature faster.
Answer:
The blood picks up co2 and also waste from the tissue. So I am guessing that it is co2.
Hope this helps.
Be sure to give me the brainliest answer
