HUMAN RESPIRATORY SYSTEM

1. What are the organs involved in breathing?

• Nose, windpipe, blood

• Nose, windpipe, lungs

• Nose, Lungs and blood

2. "To clean, moisten, and warm the air as you breath in" is the function of ........

• Nose

• Windpipe

• Lungs

3. "Transports air to and from the lungs" is the function of.......

• Nose

• Lungs

• Windpipe

4. What will happen to our ribcage when we breath in?

• Ribcage moves out and upwards

• Ribcage moves in and downwards

• Ribcage moves out and downwards

5. What will happen to our thin sheet of muscle below our lungs when we breath out?

• Thin sheet of muscle moves downwards

• Thin sheet of muscle moves out

• Thin sheet of muscle moves upwards

6. When we breath in, the space in our chest become ______

• smaller

• bigger

• shorter

7. The process of exchanging oxigen to carbon dioxide happen in ______

• Nose

• Windpipe

• Air sacs

8. When we breath, we take in _____________ and give out ____________.

• take in carbon dioxide and gives out oxigen

• take in oxigen and gives out nitrogen

• take in oxigen and gives out carbon dioxide

9. The number of times we breath in one minute is called ______

• breathing rate

• breathing in

• breathing out

10. Which of the following activity has the highest breating rate?

• Reading a newspaper

• Riding bicycle

• Sitting down