When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Did you know?
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
Human Skeleton
Human embryonic stem cells stained with Tra-1-60 (green) - a stem cell marker and nestin (red), a ne
Before the advent of vaccinations and antibiotics, infectious diseases such as cholera were the scou
The Human BNST
Heat Stress and Wind Chill: Indices of Human Discomfort
Australia's spiny anteater, one of only three modern species of monotremes