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.
They have lots of vitamins and minerals
It is something people can cultivate through behavior.
Answer:
exercise and eat better, do things that you enjoy, notice something that you like about yourself and focus on that
Explanation:
As long as calories consumed and expended are not the same, diet or activity level should be adjusted for the good of the body's health.