A: Skin is the largest organ of your body. It forms a protective layer over the body to help prevent injury and disease; to keep moisture in the body; to make vitamin D; and to regulate body temperature
A: Spreading out all vessels and joining them together, they could circle round our earth planet 2.5 times! See how a mystery that such ‘living blood river’ inside our body could reach somewhat 96,000 meters in length!
A: Yes, some people like to keep mice as pets. White mice are popular pet for kids.