When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Did you know?
Medication errors are three times higher among children and infants than with adults.
Did you know?
There are 20 feet of blood vessels in each square inch of human skin.
Did you know?
Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.
Polaris system
Understanding the Solar System
The endocrine system
Procedures and Diagnostic Tests Related to the Endocrine System
Venn Diagram of Nervous System and Endocrine System