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Author Question: Social change is almost always a. controversial. b. planned. c. good for everyone in a society. ... (Read 17 times) |
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.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.