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Transcript
The heart • The heart is like a…. • Come up with your own analogy to explain what the heart is like and WHY!! The heart • Lesson Learning Outcomes: Label a diagram of the structure of the heart Describe how blood circulates around the body Increasing Difficulty Suggest why the heart is a double pump Your heart is amazing... The heart beats approx 100, 000 a day Every day, the heart creates enough energy to drive a truck 20 miles During an average lifetime, the heart will pump nearly 1.5 million barrels of blood The “thump-thump” of a heartbeat is the sound made by the four valves of the heart closing A 12 week old foetus’ heart pumps 60 pints of blood a day Back to Back • In your pair collect a whiteboard (if you are in a three get two!) • The person (people) with the whiteboard(s) sit facing AWAY from the big whiteboard • The person without a whiteboard should face towards it • Say what you see Lungs Pulmonary Artery Pulmonary Vein Right Atrium Vena Cava Left Atrium Left Right Ventricle Ventricle Tissues of the body Aorta Blood • Put the cards in the correct order to show the journey a blood cell takes around the body Left hand page Right hand page Stick in your sheet under the title Summary The Heart __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ Your turn • Stick your diagram into your book • Use a red coloured pencil to show the path of oxygenated blood and a blue one to show the path of deoxygenated blood R. Ventricle L. Ventricle R. Atrium Heart Dissection Preparation Vena Cava • In groups of three or four Heart valve • Use cocktail sticks and sticky labels to create flags/labels • You are nearly ready for the dissection L. Atrium Coronary arteries Aorta Heart Dissection Watch the video of the sheep heart dissection YOUR TURN – label it using your flags then email me a picture: [email protected] If you don’t want to dissect sit at the table at the back and use the text book pagest o make notes on the key structures of the heart Label the heart using your flags Left hand page Summary I’ll print off your pictures and you can stick it in your book Right hand page The Heart __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ __________________________________ Holiday Postcard • Imagine you are red blood cell off on a nice trip around the body • Write a postcard describing all the sites you see and draw a picture to show one of the key sites on your journey
