Short Term Effects Flashcards
What does increase in stroke volume mean?
Stroke volume refers to the amount of blood pumped by the heart with each contraction. When exercising the stroke volume will increase, it does this so it can push more blood out of the heart.
What happens when you have an increase in heart rate?
When exercising your body typically needs double or even triple your resting cardiac output. This is because your muscles need more oxygen when working out. This results in your heart beating faster so more blood gets out to your body.
What does it mean when your blood pressure increases?
During exercise there is a demand for increase cardiovascular activity and your muscles request more oxygen. This results in your blood pressure increasing.
What does redistribution of blood flow mean?
The cardiovascular system redistributes the blood when exercising so more goes to the muscles that are working and less to things like the digestive system. (Redistribution).
What does it mean when there is an increase in breathing rate?
Doing exercise your muscles are working harder. This means your body uses more oxygen and produces carbon dioxide hence why your breathing rate increases.
What is an increase in tidal volume?
In the respiratory control centre, there are a certain number of lung volume receptors and other receptors. When exercising the number of receptors you use in that period increases, making your breathing rate increase.
Why does the temperature and pliability of muscles increase when doing exercise?
An increase in temperature helps the blood take more oxygen around the body. This helps muscles work more proficiently.
When exercising why is there an increased demand and uptake of oxygen?
When exercising the heart pumps more oxygen to those muscles. This is because when exercising your muscles work harder, therefore using more oxygen and producing carbon dioxide.
When exercising why is there an increased use of stored glycogen?
When exercising there is an increased use of stored glycogen and reduced reliance on glycogen. This results from the increased use of free fatty acids by active muscles cells.
Why when exercising is there an increased production of lactic acid?
When doing intense exercise faster than your body can send oxygen to those muscles, your cells will start breaking down glucose to create extra energy so you can keep moving. This process is anaerobic, therefore lactic acid is created when generating anaerobically.
