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Heart Structure

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Superior and inferior vena cavea collect deoxygenated blood

Heart wall has three layers: epicardium, myocardium, endocardium

Pericardium has a double membrane and lubricates against other structures

Pericardium attaches to the mediastinum

Septum separates the ventricles

Pericardium separates the heart wall

Sinoatrial node is found in the right atrium

Atria are at the top of the heart

Endocardium is the inner layer of the heart

Myocardium is the middle layer and muscle portion of the heart

Left side of heart is larger

Bicuspid or mitral valve is on the left side

Tricuspid valve is on the right side Try to be right

Left ventricle is thicker than the right because it needs to pump blood to all body parts

Valves prevent back flow

Tricuspid valve closes when the right ventricle contracts

The mitral valve closes when the left ventricle contracts

Atria
Chambers

Blood
Atria

Heart
Chambers, Ventricles

Pericardium
Double membrane sac, Mediastinum, Wall

Ventricles
Septum

Wall
Heart

How many large veins collect deoxygenated blood to the heart?

Two

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	1	2	3	4	5

How many layers does the heart wall have?

Three

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	1	2	3	4	5

How thick is the pericardium?

Double membrane

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	1	2	3	4	5

What does the pericardium attach to?

Mediastinum

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	1	2	3	4	5

What is the double membrane sac of the heart called?

Pericardium

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	1	2	3	4	5

What separates the ventricles?

Septum

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	1	2	3	4	5

What surrounds the heart wall?

Pericardium

	1	2	3	4	5
	1	2	3	4	5

Which chamber is the sinoatrial node found?

Right atrium

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	1	2	3	4	5

Which chambers are at the top of the heart?

Atria

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	1	2	3	4	5

Which feature of the heart has a double membrane?

Pericardium

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	1	2	3	4	5

Which feature of the heart lubricates against other structures and movement?

Pericardium

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	1	2	3	4	5

Which feature of the heart protects from infection?

Pericardium

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	1	2	3	4	5

Which is the inner layer of the heart wall?

Endocardium

	1	2	3	4	5
	1	2	3	4	5

Which is the middle layer of the heart wall?

Myocardium

	1	2	3	4	5
	1	2	3	4	5

Which is the muscle portion of the heart?

Myocardium

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	1	2	3	4	5

Which is the outer layer of the heart wall?

Pericardium

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	1	2	3	4	5

Which side of the heart does the superior vena cavae enter?

Right

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	1	2	3	4	5

Which side of the heart is larger?

Left

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	1	2	3	4	5

Which valve is on the left side?

Bicuspid

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	1	2	3	4	5

Which valve is on the right side?

Tricuspid

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	1	2	3	4	5

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Heart Structure Intro

Right Coronary Artery

Cardiac Action Potential

Action Potential Heart

Conduction System

Conduction System 2

Endocardium Histology

Heart Electrical Conduction

Cardiac Action Potential 1

Blood Flow

Pressure

Heart Disease

Myocardial Infarction

Angina Pectoris

Atherosclerosis

Congestive Heart Failure

Valve Disorders

Aortic Valve Disorders

Ventricular Tachycardia

Ventricular Fibrillation

Electrocardiogram

Heart Structure Intro

Heart Layers