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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?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.