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Oxygen in the blood Developing: Describe how substances are transferred around the body. Secure: Explain how smoking affects the respiratory system. Exceeding: Analyse how exercise affects your breathing rate. Entrance Activity Get out your crossword homelearning and swamp with your partner. Then attempt to complete each others crossword. Tool Box – Key Words Haemoglobin Red blood cell Tar Carbon monoxide Heart disease Emphysema Components of the blood Mix and Match Red blood cells (RBC) Plasma White blood cells Platlets Part of the body’s immune system and is used to fight of pathogens (germs) Carries a range of substances, including: Carbon dioxide, hormones, glucose, urea and more. Used to block damaged blood vessels and prevent blood loss. Carries oxygen from the lungs to different tissues in the body. Contains a substance called hemoglobin. Transfer of oxygen In capillaries, oxygen gradually leaves the red blood cells and dissolves into the plasma. This leaks out through the minute holes in the capillaries and forms tissue fluid, which then caries oxygen to the cells. Plasma has glucose ad other nutrients dissolved in it and so these are also in the tissue fluid. Oxygen in the blood Developing: Describe how substances are transferred around the body. Secure: Explain how smoking affects the respiratory system. Exceeding: Analyse how exercise affects your breathing rate. Entrance Activity Get out your crossword homelearning and swamp with your partner. Then attempt to complete each others crossword. Tool Box – Key Words Haemoglobin Red blood cell Tar Carbon monoxide Heart disease Emphysema Effects of smoking Create an information board about the effects of smoking. Include all the information in the success criteria. Stretching Activity • Compare emphysema to bronchitis. • Present your board to your parents and get written feedback. In groups of two or three, carry out the exercise and breathing experiment using the learning sheets shown below. You have twenty minutes to create a prediction and collect results. If you complete all your work, attempt to do the second page on the exercise and breathing learning sheet. Conclusion 1) As the intensity of the exercise increased, the amount of oxygen required also increased. This caused an increase in the student’s breathing rate. 2) As the intensity of the exercise increased, the amount of oxygen required stayed constant and the breathing rate stayed constant too. Oxygen in the blood Developing: Describe how substances are transferred around the body. Secure: Explain how smoking affects the respiratory system. Exceeding: Analyse how exercise affects your breathing rate. Entrance Activity Get out your crossword homelearning and swamp with your partner. Then attempt to complete each others crossword. Tool Box – Key Words Haemoglobin Red blood cell Tar Carbon monoxide Heart disease Emphysema You’re the Examiner! Using the Examiner learning sheet, create your own exam question relating to this topic. Create a mark scheme and give the form into your teacher.