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?
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
Did you know?
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
True Forget-Me-Not
True Friendship
Which of the following statements is true of linkage?
Review of Changes in Careers over Adulthood
Midsagittal section indicating locations of true and false pelves