The circulatory system is very useful. This system transports the food nutrients, and oxygen to the body cells. It also delivers of carbon dioxide and waste products. This helps the respiratory system by transporting nutrients to keep the lungs clean, and healthy.
Answer: C,C,B,D,A,B,A,B,T,T,T,T,T,T,F
Explanation:
Answer:
Approximately one in three people
Explanation:
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It can offer protection to the brain, it can collapse under stress, and it can provide attachment sites for teeth.
I think (C):600
Explained: other sources say there is about 650 but if you count the muscles within a complex muscle then about 840
