I believe it's oxygenated or oxygen rich blood away from the heart.
In the experiment, the independent variable is the drug amount. Experiment group is given certain amount of drug, control group is not given the drug. The dependent variable is the body fat. I think you means the control is the living environment including food and water.
Answer:
True
Explanation:
Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.
