Respirotory notes

Name:_______________________ Date ________Living Environment Rabbi Goldberg

The Respiratory System: the exchange of gases

I. Passageways and LungsA. respiratory system consists of

- a _____________________- a system _____________________________

B. Breathing is ____________________________________________________

II. The path air takesA. air enters

______________________________________________________a. The nasal cavity is exposed to the air through the

________________i. It is lined with __________________________

1. this helps ____________,_____________, _________________ the air

B. It passes through the ___________________________________________

a. This is where the Digestive system and the respiratory systems meet.

i. It is the job of the ______________- to ______________________________________________

b. It then goes into the _________________________i. The trachea is the ______________________________

c. The trachea forks to form ________________________________

d. Each bronchus branches ___________________________e. The bronchioles end in clusters

_______________________________

III.Alveoli: The place of gas exchangeA. Alveoli :_____________________________________________

____________________________________________________________________________________________________________

B. surrounded by _______________________________________.a. External respiration___________________________________b. Cellular respiration: ___________________________________

IV.Blood transport of gasesA. oxygen diffuses into the

_________________________________________B. it is pumped _____________________________________

a. , where it is used for ______________________________________

C. carbon dioxide (a waste product) diffuses _____________________________________________________________________________________________________________________________

D. During exhalation, this ___________________________________________

V. Breathing ventilates the lungsA. The action of your

___________________________________________________________________________________________________________________________________________________________________________________________

B. Breathing is the alternation ________________________________________ ________________________________________________________

VII. Control of RespirationA. Breathing is usually an _____________________________________

a. Involuntary means ________________________________.B. partially controlled by an internal feedback mechanism that involves

______________________________________________________________________________________________________________________________

C. medulla oblongata _____________________________________________________________________________________________________________________________

a. Nerve signals cause these muscles to contract, and you inhale.

VIII. Cleaning dirty airA. To prevent foreign material from reaching

_________________________________________________________________________________________________________________

a. The cilia constantly ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________