Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Did you know?
HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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Your heart beats over 36 million times a year.
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The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Body plan of a common rotifer, Philodina genus
insect's compound eye, revealing photoreceptor cells, support cells and pigment cells
Organ systems of the body with major functions.
What stress does to your body
Interrelationships of the integumentary system with other body systems