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The Heart and Blood Vessels
The Structure of the heart
The Structure of the heart continued
The Path of Blood
The path of blood continued and misc.
100
These carry blood away from the heart.
What are arteries?
100
The muscular organ the size of your fist with only one function, to pump blood.
What is the heart?
100
The muscular wall that separates the right and left side of the heart.
What is the septum?
100
This vein returns blood from the upper body regions.
What is the superior vena cava?
100
This is released from the blood into the lungs to be exhaled.
What is carbon dioxide?
200
When arteries branch and rebranch until they become microscopic they are called.
What are capillaries?
200
This causes the heart to beat automatically at your resting heart rate.
What is the pacemaker?
200
The one-way valves that separate the atrium from the ventricle.
What are the AV valves?
200
This being returns blood from the lower body regions.
What is the inferior vena cava?
200
The oxygenated blood returns to heart from the lungs through these.
What are pulmonary veins?
300
These carry blood to the heart.
What are veins?
300
The fluid filled sac that the heart is in.
What is the pericardium?
300
These are located at the beginning of the large vessels that carry blood away from the heart.
What are semilunar valves?
300
This is blood coming from the body that is low in oxygen.
What is deoxygenated blood?
300
The tool a physician uses to listen to your heart.
What is a stethoscope?
400
This system consists of your heart, blood vessels, and blood.
What is the circulatory system?
400
The upper thin walled chambers of the heart.
What are the atria?
400
This is the largest artery in the body.
What is the aorta?
400
Blood that is oxygen rich that is returning to the body.
What is oxygenated blood?
400
The sound of a heart beat.
What is lubb-dubb?
500

Dj - This is the valve that carries blood from the right atrium to the right ventricle.

tricuspid valve


500
The larger, lower, thick walled chambers of the heart.
What are ventricles?
500

DJ - These arteries nourish the heart.

What are coronary arteries?

500
These arteries carry blood from the heart to the lungs.
What are the pulmonary arteries?
500
This occurs when the heart beats out of rhythm.
What is arrhythmia?