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Task 1:
You will be required to complete and submit the Circulation and Gaseous Exchange Worksheet ensuring that you attempt all criteria. (A.C 1.1, 1.2, 1.3, 1.4, 2.1, 2.2, 2.3)
Task 2:
You are required to carry out an investigation on heart and breathing rates and how they are affected by exercise. You must demonstrate consideration of participant safety as well as ethics.
You must write up a 500-word scientific report. You will need to include your method carried out and safety measures. You must present your data in a reliable and appropriate form. (A.C 3.1)
You should analyse your findings from your investigation, with inclusion of recommendations for future study. (A.C 3.2)
Assessment Criteria
1.1
Describe the structure of the heart and circulatory system in mammals.
1.2
Describe and explain a cardiac cycle.
1.3
Explain the control of the heartbeat.
1.4
Explain the transport of oxygen and carbon dioxide in the blood.
2.1
Describe and explain the structures of the respiratory system.
2.2
Describe and explain diffusion and the mechanism of gaseous exchange.
2.3
Describe and explain the properties of the respiratory surface including an analysis of the importance of surface area to volume ratio.
3.1
Describe in detail a safe method and present reliable results from an investigation on heart and breathing rate.
3.2
Analyse findings by producing a scientific report which utilises the results of the scientific investigation.

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