I think it’s C hope it helps
You should do this by putting the blood sample in a secure container. Then put it in a bag and label the substance. After this take it to the lab and do what is needed for the experiment.
When separated from the rest of the blood, plasma is a light yellow liquid. Plasma carries water, salts and enzymes. The main role of plasma is to take nutrients, hormones, and proteins to the parts of the body that need it. Cells also put their waste products into the plasma.
hope that helps