Answer:
Uhm I think D or C Maybe?
Explanation:
It's hard to look at and tell what you mean
It’s essential for the creation of DNA, cell membranes, and for bone formation in humans. It is also vital for food production.
Answer:
The Circulatory System
Explanation:
When blood is rich in carbon dioxide it leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. (All of which have to do with the circulatory system)
If it is still fast enough it is a Tornado
