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.
<span>The attitudes of peers, family, and the media strongly influence underage drinking.</span>
Answer:
Just shake your hand randomly. ive done this b4 and its worked.
Explanation:
Answer:
The children who suffer from rickets should include food rich in Vitamin D
