Anaerobic Respiration

Question 1

Define anaerobic respiration

Answer 1

Respiration without oxygen

Question 2

Define oxygen debt

Answer 2

Extra oxygen needed after anaerobic respiration

I.e panting, heavy breathing

Question 3

Define fermentation

Answer 3

Chemical reaction used by microorganisms to convert glucose into ethanol and co2 (+energy)

Question 4

Word equation for anaerobic respiration

Answer 4

Glucose -> lactic acid + energy

Question 5

Word equation for fermentation

Answer 5

Glucose. ->ethanol +co2 + energy

Question 6

Define lactic acid

Answer 6

Waste product of anaerobic respiration

Build up of this causes cramps in muscles

Question 7

Why do sprinters use anaerobic respiration

Answer 7

As they may not have enough time to inhale that much needed oxygen

Question 8

What type of respiration do marathon runners use

And why?

Answer 8

Aerobic respiration

As they have enough time to run at a steady pace whilst inhaling enough required oxygen