1. What is the structure and function of arteries, veins and capillaries?
Wednesday, 28 November 2018
What is the structure and function of arteries, veins and capillaries?
All – Aiming for 4: To be able to state the three main types of blood vessel and recognise them from diagrams.
Most – Aiming for 6: Explain how the structure of blood vessels relates to their function.
Some – Aiming for 8: Explain in detail the importance of a double circulatory system.

3. The circulatory system
What is the structure and function of arteries, veins and capillaries?

4. What is the structure and function of arteries, veins and capillaries?
L4:To be able to state the three main types of blood vessel and recognise them from diagrams.
L6: Explain how the structure of blood vessels relates to their function.
L8:Explain in detail the importance of a double circulatory system.

5. ARTERY VEIN CAPILLARY Smooth Muscle Endothelial Cells
Elastin and Collagen
(Connective tissue)
ARTERY
Smooth Muscle
Endothelial Cells
Elastin and Collagen
VEIN
CAPILLARY
Endothelial Cells
What is the structure and function of arteries, veins and capillaries?

6. CAPILLARY
NETWORK
Endothelial Cells
VEIN
ARTERY
Smooth Muscles
Connective Tissue
x100

8. Diagram Name Artery Vein Capillary Type of Blood Oxygenated
More elastic fibres
More muscle fibres
Thicker walls
No valves
Small lumen
Less elastic fibres
Less muscle fibres
Thinner walls
Valves
Large lumen
Capillary wall (one cell thick)
Name
Artery
Vein
Capillary
Type of Blood
Oxygenated
Deoxygenated
Direction
Away from the heart
Towards the heart
Pressure
High pressure
Low pressure
Size of Hole (lumen)
Tiny lumen
Wall Thickness
Thick walls
1 cell thick
Valves?

9. What is the structure and function of arteries, veins and capillaries?
L4:To be able to state the three main types of blood vessel and recognise them from diagrams.
L6: Explain how the structure of blood vessels relates to their function.
L8:Explain in detail the importance of a double circulatory system.

10. Compare and contrast the structure of the circulatory system in a fish and a mammal
What are the similarities and differences between them?

12. What is the structure and function of arteries, veins and capillaries?
L4:To be able to state the three main types of blood vessel and recognise them from diagrams.
L6: Explain how the structure of blood vessels relates to their function.
L8:Explain in detail the importance of a double circulatory system.

13. Exam Question
7 mark question – 7 minutes
SAP in pink pen