Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
Answer:
Hey! I think 80 - 90 years.
Explanation:
Answer:
The living organisms in an ecosystem can be divided into three categories: producers, consumers and decomposers. They are all important parts of an ecosystem. Producers are the green plants. They make their own food.
Explanation:
Carbon dioxide is a reactant and oxygen and glucose are products.
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