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Respiratory System Checks
Transcript of Respiratory System Checks
What evidence do I need to achieve criteria P4?
a) Complete the investigation; ‘The Lung Capacity Activity’.
b) Submit your results table (highlight anomalies)
c) Interpret your results & relate them to the functioning of the respiratory system.
Ensure you include the following;
Show knowledge of the structure & function of the respiratory system
Correctly interpret results.
Explain what you are measuring.
Give reasons for any anomalous results
Explain what is happening!! KEY CONCEPTS TOTAL LUNG CAPACITY – the amount of air in the lungs after a deep inhalation; The vital capacity plus the residual volume
RESIDUAL LUNG CAPACITY – the amount of air left in the lungs after a deep exhalation
VITAL LUNG CAPACITY – the amount of air exhaled in one breath; The maximum amount of air that can be forcibly exhaled after breathing in as much as possible.
TIDAL LUNG CAPACITY – The amount of air your lungs hold during normal breathing; the amount of air moved in and out of the body in one breath More key terms Lets get the Kit out!!!!!
A Spirometer is an instrument used to measure air capacity in our lungs The results of this test is shown on a spirogram Lets Investigate?
collect practical sheet
read background information along with the instruction on how to conduct practical (Pay special attention to the questions that you will need to answer at the end )
collect your equipment
do a trial run
http://www.science-class.net/Lessons/Anatomy/Respiratory/measuring_lung_capacity.pdf Your Learning Outcome is to conduct an INVESTIGATION into Lung capacity today!!!!!! These are techniques used to measure bodily variations either directly or indirectly; examples are measurements of heart rate, mean arterial pressure, and total lung capacity.