The answers for the question are given below
7.B
8.D
Answer:
I think yes but I'm not sure.
Explanation:
Answer:
The answer would be B): Iron
Explanation:
Proof
Answer:
The Circulatory System is most important.
Explanation:
It is important because the circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.