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Sport - Respiratory
Sport - Respiratory System - Breathing Control
Question | Answer |
---|---|
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 |