The Impulse for Contraction of the Heart Passes from the Atria

question 70

Multiple Choice

The impulse for contraction of the heart passes from the atria to the ventricles at the:

• A)AV node to bundle of His
• B)SA node to AV node
• C)bundle of His to AV node
• D)SA node to bundle of His

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Dietary Reference Intakes

A set of reference values used to plan and assess nutrient intakes of healthy people, including guidelines for vitamins, minerals, and other dietary components.

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