2. The Heart
Date:

3. Learning Objectives Identify features of the heart
Link the structure of the heart to its function
Describe the passage of blood through the heart and into the circulatory system

4. What features do you recognise?

5. Heart dissection Safety first! Listen to instructions
Stand up/stools under desks
Handle sharp objects with care
Goggles on
Report accidents
Mop up and disinfect fluids and spillages

6. Drawing and labelling Can you identify: Left and right atria
Left and right ventricles
Atrioventricular valves
Vena cava
Aorta
Pulmonary artery
Pulmonary vein
+Label the path blood takes through the chambers!

8. Functions
Draw a table to describe the function of each part of the heart
Structure
Function
Valves
Prevent backflow of blood
Left ventricle
To squeeze oxygenated blood around the body
Right ventricle
To squeeze deoxygenated blood to the lungs
Left and right atria
To squeeze blood to the ventricles
Aorta
Major artery leading to the body
Vena cava
Major vein returning from the body
Heart strings
To support the valves
Structure
Function

9. What questions might the examiner be about to ask?