"an advantage of gas exchange in fresh water, compared with gas exchange in air, is that water loss through evaporation across the respiratory surface can be minimized." The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.
The correct answer will be the second one Growth of a tumor
Mitosis
because the cell split into two identical copies!
It is just called: a simple fracture. BUT when the bone does pierce the skin it's called a compound fracture. <span />
