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Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

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

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People about to have surgery must tell their health care providers about all supplements they take.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including Defences against herbivory. Plants possess an array of unusual and powerful chemicals, including
Nurses possess a wide variety of experiences which they take into each patient encounter. Nurses possess a wide variety of experiences which they take into each patient encounter.
All living apes possess rotating, suspensory shoulders, including humans. All living apes possess rotating, suspensory shoulders, including humans.
Evolutionary Tree for Chordates Evolutionary Tree for Chordates
Video: Major Elements in Biological Molecules: Carbohydrates

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