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Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Spider main organs Spider main organs
organs affected by cystic fibrosis organs affected by cystic fibrosis
Microscopic Components of Osseous Tissue Cont Microscopic Components of Osseous Tissue Cont
Skin-associated lymphoid tissue (SALT). Skin-associated lymphoid tissue (SALT).
Three Types of Muscular Tissue Three Types of Muscular Tissue
Projectile Passing Through Tissue Projectile Passing Through Tissue
Video: Mendel's pea plant, Pisum sativum experimental

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