Unit 3.2

1) What is respiration?

2) What is the word equation of that respiration requires?

3) Where does oxygen come from humans & many animals?

4) What does respiration produce?

5) What is the respiratory system?

6) What is the trachea?

7) What do the cilia trap?

8) What is inhale?

9) How is mucus produced?

10) What does the trachea divide into and what does that divide into

11) How many aveoli make up your lungs?

12) What is carbon dioxide?

13) What is the diagphram?

14) What is exhaling

15) True or False, The muscles relax when you exhale?