Answer:
where is option I can't see
Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.
Answer:
amino acids
Explanation:
(if you are confused, I recommend watching the videos from Khan Academy and The Amoeba Sisters.)
1) chromosome
C) chemicals in plants or animals that make a natural process happen
2) enzyme
A) all of the genetic material contained in an organism
3) genome
. B) the parts of a cell that contain genes and that dictate how an animal or plant develops
hope this helped you:)
