The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
Did you know?
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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People about to have surgery must tell their health care providers about all supplements they take.
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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.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The Eudicot Leaf (Part 2)
Map These Genes (Part 3)
muscle anatomy
Heart Muscle
Recruitment of Muscle Fiber Type
How to use L'Hospital's Rule to find the limit of a function (Part 2)