Chapter 9

Question 1

what is cellular respiration

Answer 1

this is an exothermic reaction that occurs continuously in living cells

Question 2

where does aerobic respiration take place

Answer 2

mitochondria

Question 3

word equation for aerobic respiration

Answer 3

glucose + oxygen -> carbon dioxide + water

Question 4

symbol equation for aerobic respiration

Answer 4

C6H12O6 + 6O2 -> 6CO2 + 6H2O

Question 5

body responses to exercise (3)

Answer 5

an increase in the heart rate, in the breathing rate and in the breath volume
glycogen stores in the muscles are converted to glucose for cellular respiration
the flow of oxygenated blood to the muscles increases

Question 6

word equation for anaerobic respiration

Answer 6

glucose -> lactic acid

Question 7

what is anaerobic respiration

Answer 7

this is the breakdown of glucose without oxygen

Question 8

what is oxygen debt

Answer 8

oxygen is still needed to break down lactic acid that has built up even after exercise.

Question 9

yeast aerobic respiration

Answer 9

glucose -> ethanol + carbon dioxide

Question 10

what is metabolism

Answer 10

metabolism is the sum of all the reactions in the body