I would say gills and webbed limbs. If they are amphibious, then I would say webbed feet and webbed arms.
<span>ACCORDING TO MORRIE' HUMANS ARE DIFFERENT FROM PLANTS AND ANIMALS BECAUSE IF OTHERS CAN REMEMBER THE LOVE WE GAVE WHEREAS THEY NEVER GO AWAY AND LIVE ON THROUGH MEMORIES.</span>
I am pretty sure a pigs heart has the same structure as a human heart so in saying this the if i remove correctly the right side has more muscle as it has to provide blood to most of the body not including the lungs
The waste products of respiration are Co2 and H20.
