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Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

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Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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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?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

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Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su Leafcutter ants carrying leaf fragments back to the nest where they will be processed to create a su
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Separate thigh from leg to create six pieces Separate thigh from leg to create six pieces
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Video: Introduction to Tuberculosis

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