Answer:
Would It be C
Explanation:
I am so sorry but my brother said that he did it and he said he got it right but i was not for sure so .....:(
Answer:
The circulatory system circulates the blood to the whole body.
The respiratory system brings oxygen to the blood, and the circulatory system circulates the oxygenated blood to the cells.
Explanation:
The answer will be an ecosytem
