59. How does our hearts never gets tire of pumping blood throughout our body?
Because that’s how amazing God created our body. As long as we are breathing, our heart will continue pumping. It will never get tired because it is its responsibility to pumps blood throughout our body. Our heart is also like other organs in our body, All of our organs will continue doing their responsibilities as long as we are alive. Thus the only way we can help them is to stay healthy.
Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.
the answer is C. distinguish himself from radicals.
Avoid smoking and using tobacco products. Be physically active every day. Eat a heart-healthy diet. Keep a healthy weight. Keep your blood pressure healthy. Keep your total cholesterol healthy. Keep your blood sugar healthy.
