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- 1. Multiple Choice
What is the process of respiration?
Breathing
The release of energy from food
Inhalation
Oxygen transfer
- 2. Multiple Choice
What is the process of breathing in also called?
Respiration
Exhalation
Combustion
Inhalation
- 3. Multiple Choice
What is the process of breathing out also called?
Respiration
Exhalation
Combustion
Inhalation
- 4. Multiple Choice
What substance do we need to breathe in?
Water
Carbon dioxide
Oxygen
Carbon monoxide
- 5. Multiple Choice
What substance do we need to breathe out?
Water
Carbon dioxide
Oxygen
Carbon monoxide
- 6. Multiple Choice
What are the tiny air sacs on the surface of the lungs?
Alveolus
Capillaries
A-Levels
Alveoli
- 7. Multiple Choice
Which statement about respiration is true?
It is an uncontrolled reaction, slowly releasing energy from food.
It is a controlled reaction, quickly releasing energy from food.
It is a controlled reaction, slowly releasing energy from food.
It is an uncontrolled reaction, quickly releasing energy from food.
- 8. Multiple Choice
What is the name of the body's fuel?
Protein
Oxygen
Glucose
Carbon dioxide
- 9. Multiple Choice
What is produced by anaerobic respiration?
Lactic acid and energy
Carbon dioxide and energy
Lactic acid and oxygen
Oxygen and energy
- 10. Multiple Choice
Which of the following breaks down lactic acid in the body?
Glucose
Carbon dioxide
Oxygen
Water
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