A&P 0.0 / 5 ? Sports ScienceSport A2/A-levelAQA Created by: samlfsCreated on: 17-06-21 20:21 Muscle fibres that work mostly aerobically Slowoxidative 1 of 9 What impulse initiates the conduction system SaNode 2 of 9 what is the name for the process whereby the atria contract and force blood into the ventricles Systole 3 of 9 a control centre in the mdeulla oblongata responsible for HR regulation Cardiaccontrolcentre 4 of 9 prevent back flow of blood Pocketvalves 5 of 9 detect changes in blood pressure on aterial walls Barorecpetors 6 of 9 newtons 1st law inertia 7 of 9 how many molecules of oxygen can haemoglobin carry four 8 of 9 gases moving from high partial pressure to low partial pressure diffusion 9 of 9
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