Soc 18 - Aerobic And Anaerobic Exercise And Energy Sources

Question 1

Glucose

Answer 1

a major source of energy for most cells in the body.

Question 2

Aerobic respiration

Answer 2

the process of releasing energy from glucose, using oxygen.

Question 3

Anaerobic respiration

Answer 3

the process of releasing energy from glucose, without oxygen.

Question 4

Aerobic exercise

Answer 4

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.

Question 5

Lactic acid

Answer 5

a colourless acid produced in muscle tissues during strenuous exercise when the body is exercising anaerobically at high intensity.

Question 6

Cramp

Answer 6

painful, involuntary contraction of a muscle, usually caused by fatigue.

Question 7

Anaerobic exercise

Answer 7

Working at a high intensity (opposite to aerobic exercise). E.g. sprinting

Question 8

Fats

Answer 8

a rich source of energy, but many modern diets provide more than our bodies need.

Question 9

Carbohydrates

Answer 9

the body’s main source of energy.

Question 10

Free sugars

Answer 10

extra sugar added to food and drink.