My brother told me 18 minutes
Answer: Physical activity or exercise can improve your health and reduce the risk of developing several diseases like type 2 diabetes, cancer and cardiovascular disease. Physical activity and exercise can have immediate and long-term health benefits. Most importantly, regular activity can improve your quality of life.
Explanation: Helped by a resource online
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The blood ph level is not maintained by the respiratory system.
Answer: because not everything is made with the same amount of cells?
Explanation:
By marking the erroneous information for deletion and entering new information.