What is this? What do you think it’s function is?

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Presentation transcript:

What is this? What do you think it’s function is? Do you recognise any of the labels?

Blood Vessels Date:

Lesson Objectives Practise microscope technique and diagram drawing Observe features of veins and arteries Identify and explain features of blood vessels

Microscopes - recap how to use

What makes a good diagram? Which of the examples is better? Explain why!

Veins and Arteries Use the microscopes to view TRANSVERS SECTIONS of arteries and veins Draw LARGE, CLEAR diagrams of what you see Make a note of any differences you see Can you label any of the features?

Labelling

How does this information help to explain the feeling of ‘pins and needles’ if you spend too long sat down?

Properties of blood vessels Name of vessel Description Explanation Artery Vein Capillary

Circulation in the whole body Using what you know about the heart and blood vessels, can you construct a simple diagram to show the flow of blood around the body? Include the route the blood takes… Through all four chambers of the heart Through the major blood vessels Past the lungs

Label: Aorta Vena cava Arteries Veins Pulmonary artery Pulmonary vein Blood vessels of the body Blood vessels of the lungs Where would we find a network of capillaries (very fine blood vessels)?