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Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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There are 60,000 miles of blood vessels in every adult human.

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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

During confrontations with others, the mane makes the lion look larger. During confrontations with others, the mane makes the lion look larger.
Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has Compared with modern humans, Homo erectus has a larger face, lacks a chin and canine fossa, and has
Although males tend to be larger than females, the two overlap significantly in size. The size of a Although males tend to be larger than females, the two overlap significantly in size. The size of a
A cylinder head with four valves per cylinder, two intake valves (larger) and two exhaust valves ... A cylinder head with four valves per cylinder, two intake valves (larger) and two exhaust valves ...
Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ... Notice the small motor gear on the left drives a larger plastic gear (black), which then drives ...
a solution is prepared in which a trace or small amount of Fe2+ is added to a much larger ... a solution is prepared in which a trace or small amount of Fe2+ is added to a much larger ...
Video: Insulin (glucose uptake by body cells), glycogenesis and lipogenesis

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