There is the digestive system is used to help you digest food.
The respiratory system that lets us use and brain oxygen.
Lastly, the circulatory system which allows our bodies to have flowing blood.
Answer:
B
Explanation:
its literally a cell law .-.
Answer:
i think it's D but I'm not sure . answers are too complicated
Answer: through somatic cells or inherited through the germaine.
Explanation: My best guess
