Mechanics of Breathing and responses to exercise
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| Submitted: Fri Jan 28 2005
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Practical Three Mechanics of Breathing and responses to exercise Authors: Leah Frisby, Rebecca Murray, Shuchtra Ghash, Holly Franklin, Emily Gibbs, Rhian Jones, Jake Hatt, Thushe Joseph, Charlotte Hall, Emma Kirk Aims * To investigate how holding breathe for 30 seconds affects the tidal volume, respiratory rate and respiratory minute volume. * To find out how moderate exercise for 3 minutes affects the tidal volume, respiratory rate and respiratory minute volume. Introduction The respiratory system can be divided into to sections: the upper and lower respiratory system. The upper respiratory system consists of the nasal and oral cavities and the pharynx. The upper respiratory system warms and moistens the air before it reaches the lungs. The lower respiratory system consists of the trachea, the lungs and the diaphragm. The trachea, bronchi and bronchioles are the conducting zone and do not have a gas exchange role. The alveoli are the respiratory zone and gas exchange solely occurs here....


