Answer:
The pelagic zone refers to open and free waters in the body of the ocean that stretch between the ocean surface and the ocean bottom and are not too close to some boundary, like a shore or the seafloor or the surface.
Explanation:
Answer:
There is sugar on the pig's surface that humans don't have.
Explanation:
"This rapid rejection occurs when human antibodies attach to sugar molecules on the surface of the transplanted pig organ's cells."
Metabolism (pronounced: meh-TAB-uh-liz-um) is the chemical reactions in the body's cells that change food into energy. Our bodies need this energy to do everything from moving to thinking to growing. Specific proteins in the body control the chemical reactions of metabolism.
