Respiration
- Created by: jaaaz_v
- Created on: 09-09-15 12:20
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- RESPIRATION
- Releases energy from glucose
- AEROBIC
- Requires oxygen
- Glucose + oxygen --> carbon dioxide + water (+energy)
- Happens all the time in the cells of animals and plants
- Inside the mitochondria of cells
- DURING EXERCISE
- When exercising our muscles respire more
- Our muscles can store glucose as glycogen for later use
- Plants store glucose as starch
- Our muscles can store glucose as glycogen for later use
- Oxygen and glucose need to be delivered to our muscles faster
- Waste carbon dioxide and water need to be removed faster
- And so our heart rate increases, our rate of breathing increases and our breaths get deeper
- Increased heart rate speeds up the flow of blood around our body
- When not enough oxygen is being supplied to our muscles, we respire anaerobically
- When exercising our muscles respire more
- ANAEROBIC RESPIRATION
- The incomplete breakdown of glucose
- Waste product of lactic acid instead of carbon dioxide and water
- Respiration with little/no oxygen
- DURING EXERCISE 2
- Muscle fatigue
- Our muscles become tires after long periods of vigorous activity
- Muscles stop contracting as they should
- Caused by a build up of lactic acid from anaerobic respiration
- Oxygen debt
- Anaerobic respiration makes oxygen debt
- Reffers to the amount of oxygen needed to oxidize the lactic acid into carbon dioxide and water
- Muscle fatigue
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