The oxygen in you lungs are of a higher concentration than it is in your blood This process is through the use of passive transport.<span>Your blood is then returned to the heart and pumped throughout the body. Because your blood has more oxygen in it than your cells do the blood through the use of passive transport again give the oxygen to the cells.</span>
Answer:
The stones and pips pass through the animal's digestive system and are excreted to form new plants. This can be far away from the parent plant. Blackberry, cherry and apple seeds are dispersed in this way. Birds also like to eat fruit and they help to disperse seeds to other areas through their droppings.
Explanation:
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