More cards in this set

Card 6

Front

anaerobic repsiration:
glucose → lactic acid + energy released


Most organisms cannot respire without oxygen but some organisms and tissues can continue to respire if the oxygen runs out.

Back

Preview of the front of card 6

Card 7

Front

Muscles need energy to contract. While exercising, the muscles need additional energy as:

the breathing rate and volume of each breath increases to bring more oxygen into the body and remove the carbon dioxide produced
the heart rate increases, to supply

Back

Preview of the front of card 7

Card 8

Front

When a period of exercise is over, lactic acid must be removed. The body's tolerance of lactic acid is limited.These processes require oxygen. This is why, when the period of activity is over, a person’s breathing rate and heart rate do not return to norm

Back

Preview of the front of card 8