1. Structures of the circulatory system
Heart
Did you know your heart is the size of your fist?
2.01 Remember the structures of the circulatory system 1

2. 2.01 Remember the structures of the circulatory system
Heart
Can you identify the structures of the heart?
The heart is a
double pump.
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3. 2.01 Remember the structures of the circulatory system
Check your knowledge...
Aorta
Superior vena cava
Pulmonary artery
Aortic semilunar valve
Pulmonary vein
Right atrium
Left atrium
Tricuspid valve
Bicuspid (mitral) valve
Inferior vena cava
Pulmonary semilunar valve
Right ventricle
Left ventricle
Septum
Apex
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4. 2.01 Remember the structures of the circulatory system
Layers of the heart
Left atrium
Right atrium
Pericardium
Myocardium
Endocardium
Right ventricle
Left ventricle
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5. Conduction system of heart beats
Refer to your textbook to identify the structures of the heart’s conduction system in the correct sequence for the heart to beat.
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