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AOS 2
Acute responses to exercise
| Term | Definition |
|---|---|
| Ventilation | The amount of air breathed in and out per minute. |
| Diffusion | The movement of oxygen and carbon dioxide to an area of high concentration to an area of low concentration. |
| Cardiac Output | The amount of blood pumped out of the left ventricle per minute |
| Blood Pressure | The amount of pressure exerted on the arteries when the ventricles contract (systolic) and relax (diastolic) |
| Venous Return | The amount of blood that is returned back to the heart via the veins |
| Blood Volume | The amount of volume of blood |
| Redistribution of blood flow | The redirection of blood away from areas where it is not needed (e.g. spleen, kidneys) to areas where it is (e.g. working muscles) |
| Oxygen Consumption | The volume of oxygen that can be taken up and used by the body |
| Increased blood flow to working muscles | The amount of blood that is delivered to the working muscles |
| Motor Unit recruitment | A motor neuron and the muscle fibres it stimulated |
| Energy Substrates | The chemicals that are required to resynthesis ATP i.e. PC, glycogen, triglycerides |
| Lactate | A biproduct of anaerobic glycolysis |
| Body Temperature | A change in the internal temperature of the body |