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Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

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The average office desk has 400 times more bacteria on it than a toilet.

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Asthma cases in Americans are about 75% higher today than they were in 1980.

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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front
Compression Occurs in vertebrae subjected to extreme stresses, as when one falls and lands on his or Compression Occurs in vertebrae subjected to extreme stresses, as when one falls and lands on his or
Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr Bones change radically in size and shape from newborn to adult, as these cervical vertebrae demonstr
Place the tennis balls in a sock on the floor behind you, then lie with the middle of your thoracic ... Place the tennis balls in a sock on the floor behind you, then lie with the middle of your thoracic ...
The thoracic cage. The thoracic cage.
Right lateral view of the lumbar vertebrae Right lateral view of the lumbar vertebrae
Video: Frequency of stimulation and force (Recruitment of motor units and force)

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