Josh-energy systems

How does ATP carry energy?

• The Phospate chain

• The adenosine chain

The ATP-PC system is utilised during what exercise intensity?

• Sub-maximal intensity (<85% MHR)

• High Intensity (85% MHR)

• High Intensity (95% MHR)

• At rest

At what duration does the aerobic energy system become dominant?

• 5 seconds

• 15 seconds

• 45 seconds

• 75 seconds

The anaerobic glycolysis system

• operates without oxygen

• provides energy for about 10 seconds to 90 seconds

• is used for high intensity exercise

• all of the above

• none of the above

The substance that accumulates in the muscle during anaerobic glycolysis is known as:

• phosphate creatine

• triglyceride

• lactic acid

• ATP

The body's main source of energy

• Protein

• Vitamins

• minerals

• Carbohydrates

The ATP - PC System usually takes how long to replenish?

• 10-14 seconds

• 1-2 minutes

• 30+ minutes

• 12+ hours

Why does the body require the three different energy systems?

• It doesn't require three different systems

• Different sports have different demands

• Intensity and duration of different activities and the availability of oxygen

• Physical exercise usually takes longer than a few minutes

Anaerobic exercises require ______ whereas aerobic exercises require ______.

• No energy, energy

• Energy, no energy

• Oxygen, no oxygen

• No oxygen, oxygen

The body's main source of energy

• Protein

• Vitamins

• minerals

• Carbohydrates