Soc 18: 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, 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 cause by fatique.

Question 7

Oxygen Debt

Answer 7

The amount of oxygen needed at the end of a physical activity to break down any lactic acid.

Question 8

Complex Carbohydrates

Answer 8

for example starch are found in natural foods
such as brown rice, wholemeal bread and wholemeal pasta

Question 9

Simple Carbohydrates

Answer 9

are stored in their natural form in fruit and
vegetables, and in their refined form in biscuits, cakes and chocolates.

Question 10

Where does energy come from?

Answer 10

Energy comes from a range of different foods, including fats and carbohydrates

Question 11

Which form of energy can help you for both high intesity and moderate intesity?

Answer 11

Carbohydrates

Question 12

Which form of energy ONLY provides energy for Moderate intesity?

Answer 12

Fats

Question 13

How much of your Daily inatke should be fats in your diet?

Answer 13

No more than 30%

Question 14

What are fats found in?

Answer 14

Fats are found in butter, margarine and cooking oils, as well as in foods
such as bacon, cheese, fish and nuts

Question 15

Which form of energy provides most of the body’s energy needs?

Answer 15

Fats

Question 16

Characteristics of fats:

Answer 16

• When you eat fat it is broken 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

Question 17

What form of energy do your body cells use more?

Answer 17

Carbohydrates

Question 18

Characteristics of Carbohydrates:

Answer 18

• Carbohydrates can only be stored in small amounts - enough to last a day or two - so
  your body tends to use them first for energy
• When you eat carbohydrates, they are broken down into glucose or glycogen, which can
  be absorbed through the walls of your small intestine and into the blood
• Glucose will pass into 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.

Question 19

What happens if you have any unused carbodydrates?

Answer 19

The rest can be turned into fat for long term storage

Question 20

What do the muscles and liver store?

Answer 20

Glucose and Glycogen