It’s actually complicated biology. When you do exercise like cardio you deplete your body from rich O2 and that’s what’s needed in the both to loose weight. Red blood cells carry the rich oxygenated cells to the body to distributed but after a work out there’s not enough and that’s why you feel fatigue
Red blood cells carry the oxygen that muscles and other cells need during exercise. The more exercise people do, the more oxygen their cells need, so their blood has to deliver more oxygen to the cells. ... Other ways in which muscles are supplied with oxygen include: Blood flow from the heart is increased
Explanation:
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Susan won't be feeling normal sleep nor normal heart rate because sleep deprivation is a serious issue. She would have an upset stomach and might even have a diarrhea.
