Topic 4 - Bioenergetics ( 9. exercise )

Question 1

what happens to glycogen during exercise?

Answer 1

glycogen in muscles is converted back to glucose to provide fuel for increased cellular respiration

Question 2

What is the name of the carbohydrate used to store glucose in muscles?

Answer 2

Glycogen

Question 3

Give the 4 changes that take place in your body during exercise

Answer 3

• Heart rate increases
• Arteries and veins dilate (widen)
• Breathing rate increases and you breathe more deeply
• Glycogen in muscles is turned back into glucose

Question 4

Why does your body’s heart rate increases and arteries dilate (widen) when you exercise?

Answer 4

To increase the flow of oxygenated blood to your muscles, also increase the rate that CO2 is removed from cells

Question 5

Why does your body’s breathing rate increases and you breathe more deeply when you exercise?

Answer 5

It increase the rate oxygen is brought into the body, meaning your RBC pick up more oxygen to take to cells. Also CO2 is removed from the body more quickly