Exercise

Question 1

what is anaerobic respiration?

Answer 1

breakdown of glucose to release energy without oxygen.

Question 2

what does physical activity do to body?

Answer 2

1) increases breathing.

2) increases heart rate(heart pumps faster).

Question 3

what is glucose stored as?

Answer 3

glycogen

Question 4

equation for anaerobic respiration..

Answer 4

Glucose–> lactic acid + CO2

Question 5

how do you repay oxygen debt?

Answer 5

after vigurous exercise..

1) lungs and heart need oxygen.
2) breathing hard for long
3) get more oxygen into blood to oxidise with lactic acid in muscle cells
4) pulse and breathing rate stays high due to high levels of lactic acid.