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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

) A more elaborate motif, the β barrel. This β barrel is a single domain of α-hemolysin ) A more elaborate motif, the β barrel. This β barrel is a single domain of α-hemolysin
When teenagers live in single-parent homes, a good relationship with grandparents is related to ... When teenagers live in single-parent homes, a good relationship with grandparents is related to ...
Withdrawing Medication from Single-Dose or Multiple-Dose Vials Withdrawing Medication from Single-Dose or Multiple-Dose Vials
Identical twins (monozygotic twins) have the same sex and share a single genotype. Identical twins (monozygotic twins) have the same sex and share a single genotype.
Example of a single-nucleotide polymorphism (SNP) Example of a single-nucleotide polymorphism (SNP)
Video: Brain Anatomy Animation (Part 2 of 2)

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