Soc18: Aerobic, 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.

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

Fats

Answer 7

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

Question 8

Carbohydrates

Answer 8

the body’s main source of energy.

Question 9

Free sugars

Answer 9

extra sugar added to food and drink.