Heart Anatomy and Physiology
Flashcard
•
Science, Biology
•
9th - 12th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the function of the SA node?
Back
The SA node, or sinoatrial node, is the natural pacemaker of the heart that initiates the electrical impulses that determine the heart rate.
2.
FLASHCARD QUESTION
Front
What is the role of the AV node?
Back
The AV node, or atrioventricular node, receives the electrical impulses from the SA node and delays them before passing them to the ventricles, allowing for proper timing of heart contractions.
3.
FLASHCARD QUESTION
Front
What is the function of Purkinje fibers?
Back
Purkinje fibers are specialized fibers that conduct electrical impulses rapidly throughout the ventricles, ensuring coordinated contraction.
4.
FLASHCARD QUESTION
Front
What is the purpose of the Bundle of His?
Back
The Bundle of His is a collection of heart muscle cells that transmits electrical impulses from the AV node to the ventricles.
5.
FLASHCARD QUESTION
Front
What is the Aorta?
Back
The Aorta is the largest artery in the body, carrying oxygenated blood from the left ventricle to the rest of the body.
6.
FLASHCARD QUESTION
Front
What is the Superior vena cava?
Back
The Superior vena cava is a large vein that carries deoxygenated blood from the upper body to the right atrium of the heart.
7.
FLASHCARD QUESTION
Front
What is the Inferior vena cava?
Back
The Inferior vena cava is a large vein that carries deoxygenated blood from the lower body to the right atrium of the heart.
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