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Sport - Respiratory

Sport - Respiratory System - Breathing Control

QuestionAnswer
What do we need more of when we exercise? oxygen
What is the 'medulla oblongata' responsible for? involuntary functions e.g. breathing
What controls the contraction of the diaphragm & intercostal muscles? neurons
Where is the 'medulla oblongata'? in the brain
Where are 'chemoreceptors' found? in the heart
What do 'chemoreceptors' do? pick up changes in chemical fluctuations (carbon dioxide)
What happens when carbon dioxide levels increase in the body during exercise? the chemoreceptors pick up the chemical changes & send signals to the medulla oblongata to speed up the heart
What are the 2 types of breathing control? neural and chemical
What can be found in the carotid artery and aortic arch (in the heart)? chemoreceptors
Created by: samfitter
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