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Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

The average adult has about 21 square feet of skin.

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In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Biological investigation at different levels Biological investigation at different levels
General features of a growth factor or hormone signalling pathway that promotes cell division General features of a growth factor or hormone signalling pathway that promotes cell division
Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr
Worldwide Variations in Population and Income Levels Worldwide Variations in Population and Income Levels
Hormones and Hormone Antagonists Hormones and Hormone Antagonists
Video: Ear Animation

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