Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.
Did you know?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
Did you know?
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
The Scale of Life
the history of life according to fossil records
Gossip and ridicule increase the status insecurity of this time of life.
Is there anything in life that is permanent, or is the world constantly changing?