Exercise Flashcards
1
Q
What does physical activity do to your body? (2 points)
A
1) increases your breathing rate so you get extra oxygen
2) increase your heart rate
2
Q
What is used during exercise and why?
A
During exercise, glycogen is used, as the muscles use glucose quickly. This means that glycogen is converted back into glucose to provide more energy.
3
Q
When does anaerobic respiration occur and what is it?
A
If there’s not enough oxygen for aerobic respiration then anaerobic respiration occurs, it is the incomplete breakdown of glucose which produces lactic acid.
4
Q
What is the word equation for anaerobic respiration?
A
glucose —> energy + lactic acid
5
Q
What does anaerobic respiration lead to?
A
An oxygen debt, which is why breathing and pulse stay high after exercise.
