Exercise Flashcards
What happens to your body when you exercise
It respires more
Why do muscles need energy from respiration
To contract
What does it mean if your muscles contract more during exercise
You need more energy
Where does energy come from
Increased respiration
How do you increase respiration in your cells
Get more oxygen into them
How to get more oxygen into cells
Breathing rate increases breath volume increases heart rate increases
How do you get oxygen into load quicker
Increasing your breathing rate and breath volume
What can hard exercise lead to
Anaerobic respiration
Why do you muscles start anaerobic respiration
Your body isn’t supplying oxygen to your muscles quick enough
Why is anaerobic respiration not the best way to transfer energy from glucose
Lactic acid build up in the muscles which gets painful
What does long period of exercise also cause
Muscle fatigue
What is muscle fatigue
When the muscles get tired and stop contracting efficiently
What can anaerobic respiration lead to
Oxygen debt
What is oxygen debt
The amount of extra oxygen your body needs a factor size
