Answer:
The main purpose of the circulatory system is to transport blood, oxygen, nutrients and hormones to and from different cells and tissues throughout the body.
Explanation:
This system works hand-in-hand with the respiratory system to facilitate the exchange of oxygen and carbon dioxide within the blood per the alveoli in the lungs.
The Answer Is 2 Parent Cells
The question that could be investigated through scientific research is B. Does a newly synthesized chemical reduce bacteria? The answer is B. Because the other questions aren’t science questions. They are bias.
Answer:
C
Explanation:
because it in DNA so it would not be uracil as uracil is in RNA so instead it would be thymine (T) and u can also remember it as Apple Tree and Car Garage.
hope this helps to understand :)