The correct answer would be the endocrine system. Hope this helps!
The Iron in the molecule binds to the oxygen. Carbon Dioxide does not bind to a cell but rather, is carried in the blood as bicarbonate.
Doctors would let your body's immune system fight off a bacterial infection. If the infection gets worse, then the doctors would proscribe you with some antibiotics so it'll fight off the harmful bacteria.
Answer: Deforestation is a Major limiting factor for trees in forest.
Explanation:
Other then deforestation there are many related factors such as; due to deforestation there is lack of rainfall and in return less rainfall results in plant shrinkage due to lack of water.