A leaks during mining can cause spills that pollute the ocean
Once inside muscle cells, the oxygen can either bind to myoglobin (a protein like hemoglobin that enables muscle cells to store a small amount of oxygen) or enter the mitochondria to be used in the elec- tron transport chain to accept the H+ ions produced by the oxidation of carbohydrate and fat.
Soz if its not very clear, but if u get it correct, can u give me brainly?
Gas exchangeis the delivery of oxygen, so im guessing it takes place in the bloodstream
C. the fallen trees become food for organisms
