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GCSE PE > Soc18- Aerobic, Anaerobic Exercise And Energy Sources > Flashcards

Soc18- Aerobic, Anaerobic Exercise And Energy Sources Flashcards

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1
Q

What is the definition Glucose?

A

A major source of energy for most cells in the body

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2
Q

What is the definition Aerobic respiration?

A

The process of releasing energy from glucose, using oxygen

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3
Q

What is the definition Anaerobic respiration?

A

The process of releasing energy from glucose, without oxygen

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4
Q

What is the definition Aerobic exercise?

A

Working at a moderate intensity allowing the body time to utilise oxygen for energy production and to work for a continuous period, e.g. long-distance events

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5
Q

What is the definition Lactic acid?

A

A colourless acid produced in muscle tissues during strenuous exercise anaerobically at high intensity

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6
Q

What is the definition Cramp?

A

Painful, involuntary contraction of a muscle, usually caused by fatigue

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7
Q

What is the definition oxygen debt?

A

The amount of oxygen needed to break down any lactic acid

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8
Q

What are the 2 energy sources?

A

Fats and carbohydrates

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9
Q

What is the definition of Carbohydrates?

A

Carbohydrates are the main energy source for both high-intensity (anaerobic) exercise and moderate-intensity (aerobic) exercise

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10
Q

What is the definition of Fats?

A

Fats can provide energy for only moderate-intensity (aerobic exercise) for long periods of 2 hours

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11
Q

What are examples of foods that contain fats?

A

Butter, margarine, cooking oils, bacon, cheese, fish and nuts

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12
Q

What are examples of food that contain carbohydrates?

A

Brown rice, whole meal pasta

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13
Q

What happens to carbohydrates in the body?

A
  • When you eat carbohydrates they are beoken down into glucose or glycogen, which can be absorbed through the walls of your small intestine and into the blood
  • Glucose will pas sinto the blood, be transported to the liver and then circulated around the body
  • Once your cells have used as much glucose as they need, some of the excess is stored in the liver, ready to be distributed if your blood glucose levels get too low
  • The rest can be turned i to fats for long term storage
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14
Q

What happens to fats when it enters the body?

A
  • When you eat fats it is beoken down into fatty acids, which are absorbed into your blood and delivered to your cells
  • Any fatty acids that are not needed straight away can be stored in fat cells
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15
Q

What is the definition of Complex Carbohydrates?

A
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16
Q

What is the definition of Simple Carbohydrates?

A

GCSE PE (21 decks)

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