If you could remove all of your skin, it would weigh up to 5 pounds.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Did you know?
Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Did you know?
Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.
Types of skeletons.
(a) Masai from East Africa have body types adapted to warm climates.
Labeled diagram and flowchart of the three muscle tissue types.
Geothermal power
The demand for cheap coal to generate electrical power is rising