In order for cells to have the ATP that they need to

Last updated: 8/9/2022

In order for cells to have the ATP that they need to contract for a long time the endocrine system exchanges oxygen and carbon dioxide with the atmosphere the heart regulates the amount of glucose in the blood the small intestines absorb nutrients, including glucose, fats and lipids the pumping action of the lungs causes the blood to circulate the stomach moves blood carrying gasses, glucose and hormones throughout the body