The human gas exchange system and breathing

12 questions

1. Which of the following organs is involved in breathing in the human body?
2. Match the item to its description.
3. Put these in order of complexity, starting with the simplest.
4. In which living process is oxygen used to release energy?
5. ___ provide support for the human body and hold the body upright.
6. Skeletal ___ in the human body contracts and relaxes to move the skeleton.
7. What is the name of the organ system in the body that enables breathing to occur?
8. Put the following parts of the gas exchange system in order, to show the path that air takes when it enters the body.
9. Which part of the gas exchange system contracts and relaxes to change the volume of the lungs?
10. When there is a ___ pressure in the lungs, air will move into the lungs.
11. What does the glass bell jar in this model of breathing represent?
12. Starting with the intercostal muscles, sort these statements into the correct order to describe the process of exhalation.

License: OGL