Answer:
The blood picks up co2 and also waste from the tissue. So I am guessing that it is co2.
Hope this helps.
B,C,D are the correct answer
Out of the following choices, the best treatment for a virus is is an antibiotic. However, most virus's can't be treated with an antibiotic and will be treated with over the counter remedies.
Slurred speech, distorted vision and hearing, headaches, drowsiness, lapses in memory
