Energy & Respiration Flashcards
1
Q
Resoiration
A
Chemical reaction within cells by which living things release energy from carbohydrates, producing CO2 and water.
2
Q
Aerobic
A
When oxygen is present or being used.
3
Q
Anaerobic
A
When oxygen is not present or being used.
4
Q
Glycogen
A
Large carbohydrate molecule; similar to starch but found only in animal cells, and some bacterial and fungal cells.
5
Q
Lactic acid
A
Chemical made from the incomplete breakdown of glucose during anaerobic respiration.
6
Q
Fatigue
A
Build up of lactic acid in muscles that stops them contracting properly.
7
Q
Oxygen debt
A
Lack of oxygen in muscle cells. Oxygen is needed to oxidise lactic acid in the muscle.
