That is TRUE because when you get older your bones and muscles start to decrease so being physically active will make your bones and muscles stronger as they decrease.
He could make sure he exercises regularly to keep the blood flow pumping to his heart, he can eat healthy so that he does not have a lot of fat build up in his arteries and he can also stay away from smoking to keep his body functioning properly.
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Answer:
in placenta mammals the mother provide food through placenta
I think it would be A. Cardio means to get your heart rate pumping so aerobic training is the best choice. Hope this helps.