Aerobic Energy System

At what duration does the aerobic energy system become dominant?

• 5 seconds

• 15 seconds

• 45 seconds

• 75 seconds

An elite 3000m runner would predominantly use which energy system during a race?

• ATP-PC Energy System

• Anaerobic Glycolysis Energy System

• Aerobic Energy System

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

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ATP stands for what?

• Aerobic Tri-potassium

• Adenosine Tri-phosphate

• Adrenaline Twitch Protein

• Anaerobic Triple Phosphate

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The body's main source of energy

• Protein

• Vitamins

• minerals

• Carbohydrates

What is the function of carbohydrate?

• To keep the body warm

• To give energy to the body

• For growth and repair of the body

• To keep the eyes healthy

Our breathing rate increases and you start to breathe heavily, this happens because

• More blood gets circulated around the body

• We have started to perform a physical activity

• To break down Lactic Acid and replenish energy supplies.

• Our muscles need more oxygen so you breathe deeper and quicker so a supply of oxygen can get to the muscles.

What is the name of the process where glycogen is converted into energy?

• Sarcoplasm
• Glucose
• Glycolysis
• Glycogen phosphorylase

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Which curve best represents the aerobic energy expenditure?

• W
• X
• Y
• Z

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Where does the Krebs cycle occur?

• sarcoplasm

• mitochondria

• muscles

• lactate