respiratory system- important points
TRANSCRIPT
RESPIRATORY SYSTEMIMPORTANT POINTS
Nasal Cavity
Nose
Mouth
Bronchus
Bronchiole
Alveolus
Diaphragm
Throat (pharynx)
Windpipe (Trachea)
Left lungs
Ribs
PA
RTS
OF T
HE
RES
PIR
ATO
RY
S
YS
TEM
AIR PATHWAY
Nose/ Nostrils Nasal
cavity
Pharynx/ Throat
Trachea/Windpip
eBronchi
Bronchioles
Alveoli/ air sacs
Mouth/ Oral
Cavity
Larynx/Voicebo
x
BREATHING MECHANISMTYPE OF
BREATHING
ORGAN
Inhalation(air
enters)
Exhalation
(air exits)
LUNGS Expands Contracts
DIAPHRAGM
Goes downwardcontracts
Goes upwardrelaxes
IMPORTANT POINTS1. 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 CAVITY.
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.
MULTIPLE CHOICE QUESTION
1. THE MAIN FUNCTION OF THE RESPIRATORY ORGAN SYSTEM IS ___________BETWEEN THE
ORGANISM AND THE ENVIRONMENT.
A. GAS EXCHANGEB. TAKING IN OXYGEN
C. CONTROL BREATHINGD. FILTER AIR
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
MULTIPLE CHOICE QUESTION
3. WHEN YOU INHALE, THE DIAPHRAGM
A. RELAXES AND MOVES UPWARD B. RELAXES AND MOVES DOWNWARDC. CONTRACTS AND MOVES UPWARD
D. CONTRACTS AND MOVES DOWNWARD
MULTIPLE CHOICE QUESTION
4. WHERE DOES EXCHANGE OF GASES TAKE PLACE?
A. ALVEOLI
B. BRONCHIOLES
C. BRONCHI
D. DIAPHRAGM
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
WRITE IN COLUMN B THE CORRECT SEQUENCE OF THE AIR PATHWAY IN THE
RESPIRATORY SYSTEM.
ANSWER THE QUESTION FOR 3 POINTS.
WHAT CAUSE THE AIR TO GO IN AND OUT OF YOUR LUNGS?