Answer:
D.
Explanation:
Animals need oxygen (O) to survive. It's purpose is to bring oxygen into your body. One of the products of cellular respiration is carbon dioxide. Your respiratory system also helps your body get rid of that carbon dioxide.
Answer:
Animals store most of their excess energy reserves as fat and this is explained because animals stores fat as a energy giving product and it keeps our body warm in winter
Hey the century is 16 of the power so people beloved hood