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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

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Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

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It is difficult to obtain enough calcium without consuming milk or other dairy foods.

human testis human testis
Bergmann’s and Allen’s rules expressed in two rabbit species. (a) A snowshoe hare. (b) A desert-livi Bergmann’s and Allen’s rules expressed in two rabbit species. (a) A snowshoe hare. (b) A desert-livi
Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo Abundant cave art after about 30,000 years ago is evidence of the importance of symbolic behavior fo
Midsagittal MRI Scan of a Human Brain Midsagittal MRI Scan of a Human Brain
Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth Genomic and fossil evidence has been used to estimate the times of divergence of human and Neanderth
Philippine Tarsier (Tarsius syrichta), Philippine Islands, a threatened species. Philippine Tarsier (Tarsius syrichta), Philippine Islands, a threatened species.
Video: Chemical Buffers - protein buffer, phosphate buffer system and bicarbonate buffer system

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