Lungs & heart. What? Where? How?

Circulatory & Respiratory Systems

Investigation

• Describe the lungs
• Identify the trachea and explore the texture of its wall
• Explore the tubes that enter the lungs and see how they divide
• Look at the heart! Identify the main blood vessels leaving and entering the
• Inflate the lungs (following your teacher’s instructions) and observe how they
• Cut a piece of lung tissue and observe the cut surface and how the tissue behaves when you drop it into water.
• Level the parts of lungs with the flash cards

 At the lab with ½ group (13 students). We work in groups of 4 and 5.

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