process of respiratory system Flashcards
1
Q
air enters_________
A
nose + mouth
2
Q
air travels down_______
A
trachea
3
Q
trachea divides into 2 tubes called
_______
A
bronchi
4
Q
bronchi divides into smaller______
A
bronchioles
5
Q
at the end of the_______ are tiny sacs called _____
A
bronchioles…….. alveoli