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Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

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The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Antibiotic Resistance Antibiotic Resistance
A, External respiration; B, internal respiration. A, External respiration; B, internal respiration.
Location of internal and external hemorrhoids. Location of internal and external hemorrhoids.
Stromatolite fossil cut away to reveal the internal concentric banding. Stromatolite fossil cut away to reveal the internal concentric banding.
Internal structures of the female pelvis for landmarks Internal structures of the female pelvis for landmarks
Bacteria with Internal Membranes Bacteria with Internal Membranes
Video: Structures that affect circulation - heart and MABP

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