Fill in the blanks with correct answers:
mouth breathe inhaled exhaled breathing lungs
1. The breathing organs of humans are the __________.
2. All living things can ___________.
3. ___________air contains more oxygen which is needed to produce energy.
4. ___________ air contains more carbon dioxide.
5. In human, the main organs involved in breathing are ______, lungs, nose and wind pipe.
6. Grasshopper has the same ___________ organ as the cockroach.
No comments:
Post a Comment