1. The HEART
Year 10 AADP

2. Structure of the heart
The heart contains 4 hollow structures. The top 2 are called atrium. The bottom 2 are called ventricles

3. How the heart works
When the heart contracts it squeezes blood out of the heart and into the arteries. When the heart relaxes it fills with blood from the veins. Valves in the heart make sure the blood flows the correct way.

4. Things that increase heart rate
Fear
Excitement
Exercise
Ingestion of food
Smoking
Drugs
Change in temperature
Age
Body position

5. pulse
The pulse can be felt over any artery lying near the skin surface.
Pulse points:
Radial Pulse (Radius)
Carotid Pulse (neck)
Temporal Pulse (Temple)
Femoral Pulse (Groin)

6. Tricuspid valve Mitral Valve Pulmonary Valve Aortic Valve
PARTS OF THE HEART
Aorta
Pulmonary Artery
Left Atrium
Right Atrium
Left Ventricle
Right Ventricle
Superior Vena Cava
Inferior Vena Cava
Pulmonary Veins from lungs
Tricuspid valve Mitral Valve Pulmonary Valve Aortic Valve

7. PARTS OF THE HEART

8. PARTS OF THE HEART – BLOOD FLOW