|
|
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
Did you know?
Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.