Soc 18

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

Free sugars

Answer 7

Extra sugar added to food and drink

Question 8

Carbohydrate

Answer 8

The bodys main source of energy

Question 9

Fat

Answer 9

A rich source of energy but many modern diets provide more than our bodies need