Cardiology

The heart

• Diffuses O2

• Pumps blood

• Is located in the pleural cavity

• Has 5 chambers

Arteries carry

• Oxygen poor blood

• Oxygen rich blood

• Blood away from heart

• Blood to heart

The heart has ___ layers

• 4

• 2

• 1

• 3

Epicardium

• Outer layer

• Innermost layer

• Middle layer

Epicardium

• Pericardial cavity

• Parietal pericardium

• Cardiac Muscle

• Visceral pericardium

Myocardium

• Innermost layer

• Mostly cardiac muscle

• Parietal pericardium

• Same as epicardium

Endocardium

• Innermost layer

• Columnar cells

• Cilia

• Visceral pericardium

How many chambers of the heart are there (human heart)

• 1

• 2

• 3

• 4

Function of Atria

• Receive blood

• Pump blood out

• Seperate the heart

• Make blood

Function of ventricles

• Receive blood

• Seperate the heart

• Pump blood out

• To make blood