If the blood is carrying oxygen, the cell and the blood will have a sort of trade. The cells will give the blood the waste which will leave the body and the blood will give the cell oxygen which it needs to stay alive and continue to work.
Answer:
Current evidence suggests that the virus spreads mainly between people who are in close contact with each other, typically within 1 metre (short-range). A person can be infected when aerosols or droplets containing the virus are inhaled or come directly into contact with the eyes, nose, or mouth.
Answer:
I would probably say the first 3 and the last option.
Explanation:
makes the most sense, sorry if it's wrong.
Yikes it depends. did you eat something that could have been unsafe to consume?