Respiration

Question 1

Aerobic respiration

Answer 1

Needs oxygen, It is the release of a large amount of energy in cells by the breakdown of food substances in the presence of oxygen. (Sounds like air so needs air)

Question 2

Anaerobic respiration

Answer 2

Aerobic respiration happens all the time in animals and plants. This happens in the mitochondria

Question 3

What is respiration

Answer 3

a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.

Question 4

What is the chemical word equation for anaerobic respiration

Answer 4

glucose → lactic acid

Question 5

What is the chemical word equation for aerobic respiration

Answer 5

glucose + oxygen → carbon dioxide + water

Question 6

Inspiration (breathing in)

Answer 6

Diaphragm contracts, The internal intercostal muscles relax, ribcage up and out. The chest volume increases decreasing pressure.

Question 7

Expiration (breathing out)

Answer 7

The diaphragm relaxes, The internal intercostal muscles contract, the ribcage downwards and in ,the chest volume decreases increasing pressure

Question 8

What happens when you exercise (rate of breathing)

Answer 8

An increase in breathing rate increases gas exchange in the lungs, with more oxygen taken in and more carbon dioxide released.