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Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe Gomphidae is an Odonata family that contains about 90 genera and 900 species. They are commonly refe
A signature sequence in the EF-1α/EF-Tu protein family A signature sequence in the EF-1α/EF-Tu protein family
Gianlorenzo Bernini, The Cornaro Family in a Theater Box. Gianlorenzo Bernini, The Cornaro Family in a Theater Box.
Family interactive style predicts academic achievement in high school Family interactive style predicts academic achievement in high school
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Video: Resting membrane potential - electrical polarity and maintenance requirements

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