There are 60,000 miles of blood vessels in every adult human.
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Your heart beats over 36 million times a year.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
The face of a caterpillar with the mouthparts showing
In Chuck Close's portrait, the face is quite recognizable when viewed from a distance. Close ...
(A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ...
(a) Budding yeast cells (Candida albicans). (b) Mold from a penicillium fungus.