Unit 1 - Energy Systems

Question 1

Where does the energy come from during repeated muscle contraction?

Answer 1

From breaking down Creatine Phosphate:

Creatine Phosphate + ADP Creatine + ATP

Question 2

State how long does the Creatine phosphate process support muscle activity?

Answer 2

Approximately 10 seconds, then it runs out

Question 3

What happens during strenuous muscle activity?

Answer 3

Creatine Phosphate is broken down, releasing energy and phosphate, which convert ADP to ATP

Question 4

Explain Anaerobic Respiration…

Answer 4

The only stage in Anaerobic Respiration is Glycolysis (Oxygen is required for the other two).

Question 5

Explain what is meant by oxygen debt…

Answer 5

When there is an inadequate oxygen supply to complete Aerobic Respiration, thus Anaerobic Respiration must occur

Question 6

What happens if strenuous muscle activity continues even though the Creatine Phosphate has run out?

Answer 6

Anaerobic Respiration occurs due to the inadequate supply of oxygen