Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The Endomembrane System 1
The Endocrine System
The digestive system.
Procedures and Diagnostic Tests Related to the Cardiovascular System
A good disinfecting solution you can make yourself consists of 1 part bleach to 10 parts water.