Recap Respiratory System

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Presentation transcript:

Recap Respiratory System

Do It Now …. Work out VE using this formula …. TV = 500 ML TV = 600ML TV = 800ML F = 10 F = 9 F = 13 VE = 5000ML VE = 5400ML VE = 10400ML = 5l/min = 5.4l/min = 10.4l/min

Where are we?? 12th March = Recap on definitions 19th March = Gaseous Exchange 20th March = Anaerobic vs Aerobic systems 27th March = Test

What were they?? Breathing Rate – The frequency of breathing measure in breaths per minute – Stopwatch for 60seconds. (Average 12-15 breaths per minute) Tidal Volume – The amount of air breathed in or out with each normal breath. Lung Volume Bag – ml (Average 500ml – bottle of coke) Minute Ventilation – Total volume of air entering the lungs per minute. l/min – tv x br (Average 6-7.5l/min) During exercise each increases: 40-60 3-4l 120l/min – smaller individuals 180l/min – larger well trained athletes

Effects of Exercise on Respiratory system YOU said STE of respiratory were ….. Higher breathing rate? Deeper breaths? LTE of exercise on Respiratory are? Increase strength of diaphragm & Intercostals. Greater number of alveoli. Increased ability of the lungs to extract oxygen from the air. Extension: How will LTE effect resting volumes??

What does this mean on performance/athletes? Who would have a greater TV or lower BR? Why? Archer vs Cross Country Skier Curler vs Swimmer Extension: Name 2 contrasting athletes where one would have a greater TV and lower F.

Exam Question .. Describe the role of the diaphragm and intercostals in creating one breath in (inspiration) (2) Intercostal muscles contract forcing rib cage up and out (greater volume/increase of size of chest). Decrease in the lung pressure forcing oxygen in.

What’s wrong here?? https://www.youtube.com/watch?v=1dSQfGqJNjY

Task Create a presentation on the definitions of the respiratory system. L7-9 = List, explain, show how to test and can show the long term effects of exercise on the respiratory system providing sporting examples. L4-7 = Lists, explains and shows how to test each. L1-4 = Lists all the definitions of the respiratory system.