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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

(a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There (a) Mammal species from central Saskatchewan differ greatly in their isotopic signatures. (b) There
Polar bears feed upon a number of marine mammals. They are currently at the centre of international Polar bears feed upon a number of marine mammals. They are currently at the centre of international
Common Shelduck (Tadorna tadorna) is a waterfowl species shelduck genus Tadorna - Breeding male Common Shelduck (Tadorna tadorna) is a waterfowl species shelduck genus Tadorna - Breeding male
Hemiphlebia mirabilis, the Ancient Greenling, is a species of damselfly in family Hemiphlebiidae. Hemiphlebia mirabilis, the Ancient Greenling, is a species of damselfly in family Hemiphlebiidae.
Direct Two Species Interactions Direct Two Species Interactions
Video: ATPase function - membrane transport, contractile proteins and synthesis

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