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.
Founder can speak freely and worship freely and say and act freely this is protected by the first amendment
<span>To tackle the air pollution that is increasing by the day in your area, the best thing to do is to raise the issue at your montly town council meetings and to follow up on the progress. The administrators of the town council meeting have the duty to tell the policy makers in charge of the region about the pollution problem and to work together with them to find a solution to the problem. Progress on this should be continuolsly followed until the problem is rectify.</span>
I do believe you are looking for Woody Guthrie :)