Aerobic and Anaerobic Respiration

Question 1

Aerobic respiration is…

Answer 1

Respiration using oxygen.

Question 2

The word equation for aerobic respiration is…

Answer 2

Glucose + oxygen –> carbon dioxide + water + ENERGY

Question 3

Four examples of what the energy released by aerobic reaction is used for are:

Answer 3

To build up larger molecules from smaller ones
To allow the muscles to contract
To keep the body temperature steady
In plants, to build nutrients into amino, which are built up into proteins

Question 4

Anaerobic respiration is used if…

Answer 4

There’s not enough oxygen.

Question 5

Anaerobic respiration is…

Answer 5

Respiration without oxygen.

Question 6

The word equation for anaerobic respiration is…

Answer 6

glucose –> energy + lactic acid

Question 7

Lactic acid causes _____ which is _____.

Answer 7

Muscle fatigue

Painful

Question 8

When using anaerobic respiration, you build up an…

Answer 8

“Oxygen debt”

Question 9

Oxygen debt is where…

Answer 9

You have to “repay” the oxygen that you didn’t get to your muscles in time.

Question 10

Physical activity increases…

Answer 10

Your breathing rate and makes you breathe more deeply

The speed at which your heart pumps