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(a) What is the distinction among 'breathing' and 'respiration'?
(b) What part do 'ventilation' and 'gaseous exchange' play in these processes?
(a) Breathing implies the obtaining of oxygen from the environment and the release of carbondioxide. Respiration is the breakdown of organic molecules (food) to free energy which is used to drive all the living processes in an organism.
(b) Ventilation is an aspect of breathing by which an animal exchanges the air or water in contact with its respiratory surface.
Define Heart Rate (HR) Method - aerobic capacity? An alternative method for determining aerobic capacity involves the measurement of heart rate. Heart rate is linearly associa
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