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Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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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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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Examples of behavioural mechanisms by which animals cope with extreme temperatures. Examples of behavioural mechanisms by which animals cope with extreme temperatures.
Examples of animals with external gills. Examples of animals with external gills.
Intelligence Distributions for Males and Females Intelligence Distributions for Males and Females
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Animals and Language (2 of 2) Animals and Language (2 of 2)
Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ... Mg can react with HCl to produce the white solid MgCl2 and H2 gas. A student mixes 1.99 g of ...
Video: Blood Test Basics

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