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Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

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

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Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

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If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Regional Classification of Bones Regional Classification of Bones
The biped’s foot bears more weight than the quadruped’s and so the bones are stouter. The biped’s foot bears more weight than the quadruped’s and so the bones are stouter.
The cranial and facial bones of the axial skeleton. The cranial and facial bones of the axial skeleton.
Use your thumbs to apply circular friction over the wrist bones, with recipient’s palm down. Use your thumbs to apply circular friction over the wrist bones, with recipient’s palm down.
Bones of the human skeleton Bones of the human skeleton
Video: Covalent bonds - role in the body

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