Adaptations of the human lungs for gas exchange | Science

Starter quiz

Select the option which correctly finishes the sentence: Gas exchange is the process of…
- …air moving in and out of the lungs by inhaling and exhaling.
- …using sugar and oxygen to provide energy for life processes.
- …oxygen and carbon dioxide diffusing between the lungs and the blood. ✓
The diagram shows the human gas exchange system. Which letter on the diagram represents the bronchioles?
- A
- B ✓
- C
- D
- E
The diagram shows the human gas exchange system. Which letter on the diagram represents the alveoli?
- A
- B
- C ✓
- D
- E
A ______ is a group of cells working together to perform a specific function.
- 'tissue' ✓
In diffusion, the net movement of particles is...
- ...from areas of high concentration to low concentration. ✓
- ...from areas of low concentration to high concentration.
- ...between areas of equal concentration.
Which of the following are features of diffusion?
- The particles are randomly moving. ✓
- It requires energy from respiration.
- It is a passive process. ✓
- Once the particles are evenly spread they stop moving.