5. IMPORTANT POINTS
1. THE NOSE FILTERS AND WARMS THE ENTERING AIR.
2. AIR ENTERS THE NOSE OR MOUTH, GOES DOWN THE
TRACHEA AND BRONCHUS, AND ENDS IN THE
ALVEOLI.
3. GASES ARE EXCHANGED AT THE ALVEOLI.
4. THE DIAPHRAGM AND RIB MUSCLES WORK TOGETHER
TO EXPAND AND CONTRACT THE SIZE OF THE CHEST
6. 5. BREATHING IS THE MECHANICAL PROCESS OF
PUMPING AIR INTO AND OUT OF THE LUNGS.
6. THE GAS THAT WE TAKE (INHALE) IS OXYGEN AND
THE GAS THAT WE BREATHE OUT (EXHALE) IS CARBON
DIOXIDE.
7. THE CHEMICAL PROCESS IN WHICH OXYGEN AND
CARBON DIOXIDE ARE EXCHANGED BETWEEN THE
OUTSIDE AIR AND THE CELLS IS CALLED RESPIRATION.
7. MULTIPLE CHOICE
QUESTION
1. THE MAIN FUNCTION OF THE RESPIRATORY
ORGAN SYSTEM IS ___________BETWEEN THE
ORGANISM AND THE ENVIRONMENT.
A. GAS EXCHANGE
B. TAKING IN OXYGEN
C. CONTROL BREATHING
D. FILTER AIR
8. MULTIPLE CHOICE
QUESTION
2. WHEN YOU HOLD YOUR BREATH, WHICH OF THE
FOLLOWING FIRST LEADS TO THE URGE TO BREATHE?
A. FALLING CO2
B. FALLING O2
C. RISING CO2
D. RISING PH OF THE BLOOD
9. MULTIPLE CHOICE
QUESTION
3. WHEN YOU INHALE, THE DIAPHRAGM
A. RELAXES AND MOVES UPWARD
B. RELAXES AND MOVES DOWNWARD
C. CONTRACTS AND MOVES UPWARD
D. CONTRACTS AND MOVES DOWNWARD
11. MULTIPLE CHOICE
QUESTION
5. THE CHEMICAL PROCESS IN WHICH OXYGEN AND
CARBON DIOXIDE ARE EXCHANGED BETWEEN THE OUTSIDE
AIR AND THE CELLS IS CALLED
A. BREATHING
B. EXHALING
C. INHALING
D. RESPIRATION
12. WRITE IN COLUMN B THE CORRECT
SEQUENCE OF THE AIR PATHWAY IN THE
RESPIRATORY SYSTEM.
13. ANSWER THE QUESTION FOR 3 POINTS.
WHAT CAUSE THE AIR TO GO IN AND OUT OF
YOUR LUNGS?