Revision notes on the Cardiovascular System
- Created by: katie__hyde
- Created on: 08-10-13 19:30
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- Cardiovascular System
- Adrenaline is released
- Heart beats faster
- Blood diverted away from organs to muscles
- Glycogen released into liver
- Immediate effects of exercise on the body
- Body temperature increases
- Blood vessels enlarge
- Sweating
- Adrenaline released
- Increased heart rate
- Increased blood pressure
- Breathing is faster and deeper
- Anaerobic respiration begins
- Untitled
- Lactic acid
- Is a poison
- Builds up slowly - 75% of maximum work rate
- Why?
- Poor trsining
- Lack of glycogen in the muscles (due to being depleted by exercise)
- Makes muscles ache, can cause cramp, then muscles stop working
- How to get rid of it
- Rest - oxygen can get on board and get rid of lactic acid
- Anaerobic respiration
- Long term effects of exercise on the body
- Lower resting heart rate
- Heart is bigger and stronger
- Can supply same amount of blood with fewer beats
- Heart of a fit person is more efficient
- Faster heart recovery rate
- The speed at which the heart rate returns to normal after excercise
- Faster the recovery rate, the fitter the person
- Increased cardiac output
- Heart rate and stroke volume both change over time
- CO = SV x HR
- Heart rate and stroke volume both change over time
- Lower blood pressure
- Excercise can help with weight loss
- Reduces blood pressuer
- Factors affecting blood pressure
- Age
- Sex
- Muscular development
- Stress
- Tiredness
- Attitude
- Factors affecting blood pressure
- Reduces blood pressuer
- Excercise can help with weight loss
- Lower resting heart rate
- Adrenaline is released
- Glycogen released into liver
- Lack of glycogen in the muscles (due to being depleted by exercise)
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