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Author Question: In America today, the infant mortality rate for African American children is much greater than it is ... (Read 31 times) |
The familiar sounds of your heart are made by the heart's valves as they open and close.
There are 60,000 miles of blood vessels in every adult human.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.
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.