Protein Is needed for growth and maintenance
I say it is a because it is important to maintain a healthy weight plan
Answer:
The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide
Explanation:
I believe the answer would be B. hamsters