Energy Systems

The Lactic Acid System usually lasts for how long?

• 0-10 seconds

• 10 seconds - 2 minutes

• 2 + minutes

• 1 hour +

The ATP - PC System usually lasts for how long?

• 0-10 seconds

• 10 seconds - 2 minutes

• 2 + minutes

• 1 hour +

This energy is stored in our cells and is called

• Oxidative triphosphate (OTP)

• adenosine criphosphate (ATC).

• Adenosine triphosphate (ATP).

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Anaerobic means

• without oxygen (ATP – PC and Lactic acid systems)

• "with oxygen", and refers to the use of oxygen in the body's energy generating process (Aerobic energy system).

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NGSS.HS-LS2-3

Aerobic means

• without oxygen (ATP – PC and Lactic acid systems)

• "with oxygen", and refers to the use of oxygen in the body's energy generating process (Aerobic energy system).

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NGSS.HS-LS2-3

You would use Anaerobic system in

• 400m run, hurdles

• 100m sprint, 50m swim

• Triathlon, Tour de France, Marathon

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By products for Oxidative Aerobic system

• H2O, CO2 and heat

• Lactic Acid, H2O and CO2

• No by-products are produce

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The burning sensation you feel during and shortly after exercise is largely due to

• Proteins

• Lactic Acid

• Hormones

• Acids

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What determines which energy system predominates during exercise?

• The type of sport

• The intensity and duration of the activity

• The athlete's diet

• The time of day

Answer explanation

The intensity and duration of the activity are key factors that determine which energy system is used during exercise. Higher intensity and longer duration activities engage different energy pathways.

What is the primary role of adenosine triphosphate (ATP) in the body?

• To store genetic information

• To capture and release chemical energy

• To transport oxygen in the blood

• To build muscle tissue

Answer explanation

The primary role of adenosine triphosphate (ATP) is to capture and release chemical energy, which is essential for various cellular processes. It serves as the main energy currency in the body.

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NGSS.HS-LS1-7