Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The human body produces and destroys 15 million blood cells every second.
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Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
cell structure
The anatomical distortion of the structure of RBCs in sickle cell anemia affects its normal function ...
A typical hydrogen fuel cell
Cell parts and their functions
Spectral karyotype of cell
The relationship between the number of stem cell divisions in the lifetime of a given tissue and the