Post on 12-Apr-2017
THE RESPIRATORY SYSTEM
How does it work?Which organs do they have?Which is its function?
BrainstormingDo you remember the difference between the blood carried by arteries and veins?
Which element do we breathe?
Why do we breathe?
Do you think breathing is a voluntary or involuntary activity?
Which organs do the respiratory system have?
Oxigen passes from the alveoli to the capillaries and into the blood
Carbon dioxide leaves the blood and enters the alveoli
Alveoli
INHALATION AND EXHALATION
Our diaphragm contracts and allow the lungs to inflate.
The diaphragm relaxes and moves up, pushing the CO2 out of the lungs
ACTIVITY 1 PAGE 29 AND RESPIRATORY SYSTEM
Make complete sentences
And enjoy!Copy the question
Ask for any doubt
TRUE OR FALSE
• When we breath, we obtain carbon dioxide (CO2)
• Trachea divides in two tubes called bronchi .
• Gas exhange takes place in the bronchioles.• When we take a breath, our diaphragm relaxes and moves up.
FALSE
TRUE
FALSE
FALSE
• Respiratory system game
• Inhalation and exhalation game
• How our lungs work video