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Did you know?
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
Did you know?
The human body produces and destroys 15 million blood cells every second.
Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.