ANAEROBIC RESPIRATION Flashcards
meaning of ANAEROBIC respiration
the chemical reaction in cells that break down nutrient molecules to release energy without using oxygen
ANAEROBIC respiration formula
glucose= lactic acid + energy glucose= ethanol/lactic acid+ carbon dioxide
ANAEROBIC respiration entails an
break down of glucose & how much oxygen
incomplete break down of glucose to release a small amount of oxygen.
ANAEROBIC respiration causes a build-up of - . and why does it have to be removed?
lactic acid builds up in muscle cells causing cramps and fatigue. it needs to be removed as it can cause damage to the cells.
What is oxygen debt?
the amount of oxygen needed to remove all the lactic acid from the body after exercise.
Why does it take time for the pulse to return to normal after exercise?
After exercise, there is a build-up of lactic acid in the muscles. The body needs extra oxygen to break down the lactic acid so the pulse stays high for a while after exercise
How does lactic acid cause harm to the muscle?
It lowers the pH of muscles( making them more acidic) this can denature the enzymes in the muscles
How is lactic acid removed from the muscles?
Cells excrete lactic acid into the blood, when lactic acid passes through the liver, it is oxidised and produces carbon dioxide and water.
How is lactic acid removed from the muscles?
Cells excrete lactic acid into the blood, when lactic acid passes through the liver, it is oxidised and produces carbon dioxide and water.
