2317504
| Questão | Responda |
| What is anaerobic respiration? | High intensity lasting up to 60 seconds. Your body breaks down glucose to create energy without oxygen. |
| What is the equation for anaerobic respiration | Glucose ---> energy + lactic acid |
| What is lactic acid? | A poison that can cause pain and reduce muscle contractions |
| What is oxygen debt? | The amount of oxygen needed to break down the lactic acid in muscles after vigorous exercise |
| How do you recover from anaerobic respiration? | 1) Breathing to reduce oxygen debt 2) Perspiration to cool and remove water 3) Excretion to remove water and waste |
| What is fatigue? | Extreme tiredness caused by lack of muscle glycogen |
| What is stress? | Physical, mental or emotional adjustment to change |
| What impacts do fatigue have on the body? | ~ Muscles cant contract ~ Concentration decreases ~ Movement is less fluent |
| How do performers respond to stress? | Get psyched up (determined) Aggression Tension (tightness in muscles) Anxiety Drop in motivation |
| What makes up the circulatory system? | Blood and blood vessels |
| What are the functions of the circulatory system? | TRANSPORT: oxygen to muscles / CO2 to lungs / waste products to kidneys PROTECTION: White blood cells / Platelets form clots to stop bleeding TEMP CONTROL: maintain and controls |
| What are the two types of temperature control in the circulatory system? | Vasoconstriction ~ maintains heat Vasodilation ~ cools the body |
| What is the cardiovascular system? | The circulatory and respiratory system working in unison. Heart and Blood vessels |
| What is cardiovascular endurance? | The ability of the heart to provide oxygen to the muscles for long periods of exercise. |
| What are the different training zones? (%) | Max heart rate ~ 220-age Anaerobic zone ~ 80-90% of max heart rate Aerobic zone ~ 60-80% of max heart rate |
| What is recovery rate? | The time it takes for the heart rate to return to resting |
| What is aerobic respiration? | Low intensity activity for a long period of time |
| What is the equation for aerobic respiration? | Glucose + oxygen ---> energy + CO2 + water |
| Where does gaseous exchange take place? | Between alveoli and capillaries |
| What happens in gaseous exchange? | High pressures of oxygen diffuse into the blood in capillary. High pressures of CO2 diffuse from capillary into the alveoli. They do this to balance pressure. |
| What are the two types of injury? | Internally caused --> Where the performer is solely responsible. Externally caused --> Environmental factors are responsible such as conditions or opponents. |
| What are the three causes of internally caused injury? | Incorrect technique Overuse Sudden movements |
| What are the three causes of externally caused injury? | Foul Play Impact Equipment / Clothing |
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