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Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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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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The human body produces and destroys 15 million blood cells every second.

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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Deformation in human bones caused by (a) rickets and (b) osteoporosis. Deformation in human bones caused by (a) rickets and (b) osteoporosis.
Overview of the endocrine system in humans. Overview of the endocrine system in humans.
The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland. The pancreas. This organ sits just below the stomach and is both an exocrine and an endocrine gland.
Intussusception. The condition is caused by an infolding of the small intestine, which often causes Intussusception. The condition is caused by an infolding of the small intestine, which often causes
A deficiency of linoleic acid can interfere with normal growth and result in inflammation A deficiency of linoleic acid can interfere with normal growth and result in inflammation
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
Video: Oxygen - hemoglobin dissociation curve & Hemoglobin's affinity with oxygen - acidity

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