Human bodies change and regenerate throughout our lives. That process is easy to see if you watch babies' limbs grow and their bodies get bigger. It's also obvious when our toenails grow or ...

Brain Receives electrical impulses from sense organs, processes them and transmits electrical impulses to glands and muscles to make appropriate responses Heart Pumps blood to the body tissues and ...

Chromatophores are organs that are present in the skin of many ... Cuttlefish and octopuses possess an additional type of reflector cell called a leucophore. They are cells that scatter full ...

There are two different types of organ donation – living organ donation and cadaver donations. Organs from patients who are brain dead are called cadaver donations. Organs which can be harvested ...