Respiration

Question 1

What would happen if an organism did not carry out respiration?

Answer 1

It would die

Question 2

What is the useful product of respiration?

Answer 2

ENERGY

Question 3

What are the waste products of respiration?

Answer 3

Carbon dioxide and Water

Question 4

What is the equation for Aerobic Respiration?

Answer 4

Glucose + Oxygen –> Carbon Dioxide + Water (+ energy)

Question 5

What is Aerobic Respiration controlled by?

Answer 5

Enzymes

Question 6

Name a cell type that contains a lot of mitochondria.

Answer 6

Muscle Cells

Question 7

Where does the glucose needed for respiration come from in animals?

Answer 7

Carbohydrates through the food they eat

Question 8

Where does the glucose needed for respiration come from in plants?

Answer 8

Photosynthesis

Question 9

How does glucose travel around the body?

Answer 9

In the blood

Question 10

Name 3 uses for the energy produced by aerobic respiration.

Answer 10

Movement, Growth, Temperature and Digestion

Question 11

What is the name of the chemical reaction that produces energy?

Answer 11

Respiration

Question 12

Which cell type contains a lot of mitochondria and why?

Answer 12

Muscle cells because they contract and energy is needed for this to happen

Question 13

When you exercise oxygen and glucose move into the ________ of your cells.

Answer 13

Mitochondria

Question 14

When you exercise, _________ and ________ move out of mitochondria and into the blood.

Answer 14

carbon dioxide and water

Question 15

If there isn’t a lot of glucose left in the blood then ______________ stores are broken down into glucose.

Answer 15

glycogen

Question 16

Glucose, oxygen and carbon dioxide all travel in the…

Answer 16

blood

Question 17

The liver and muscles contain….

Answer 17

glycogen

Question 18

What does the body do to speed up the exchange of oxygen and carbon dioxide to and from cells?

Answer 18

Raises heart rate and breathing rate

Question 19

At rest the oxygen level in the blood is _________, during exercise it is low.

Answer 19

high

Question 20

When do your muscles start to fatigue?

Answer 20

When not enough oxygen can be supplied to them

Question 21

Describe the effect of muscle fatigue.

Answer 21

Muscles do not contract as strongly

Question 22

Muscles usually get all of their energy via…

Answer 22

Aerobic Respiration

Question 23

If you are unable to supply enough oxygen to your muscles then they will get the rest of their energy from…

Answer 23

Anaerobic Respiration

Question 24

What is the equation for aerobic respiration?

Answer 24

Glucose + Oxygen –> Carbon Dioxide + Water (+Energy)

Question 25

What is the equation for anaerobic respiration?

Answer 25

Glucose –> Lactic Acid + Energy

Question 26

What are the waste products of anaerobic respiration?

Answer 26

Lactic Acid

Question 27

Compare the amount of energy released in aerobic and anaerobic respiration.

Answer 27

Aerobic Respiration releases more energy than Anaerobic Respiration

Question 28

Describe breathing rate at rest

Answer 28

Breathing at rest happens at a normal rate

Question 29

Describe breathing rate during the first 5 minutes of exercise

Answer 29

Breathing increases to a maximum level

Question 30

Describe breathing rate immediately after exercise.

Answer 30

Breathing slowly decreases until the oxygen debt is paid

Question 31

What is oxygen debt?

Answer 31

The extra oxygen our body needs after intense exercise/anaerobic respiration