Can you define the respiratory system?
Is a process by which we take oxygen from the air that we breathe in, our cells combine this oxygen with other nutrients to produce energy and carbon dioxide.
What is the function of the respiratory system?
Breahte: Breathe in, breathe out.
Where does the air enter?
Through the nose (nostrils) and mouth
After entering the nose, where does the air go?
The air passes into larynx
Where does the air go after passing larynx and what is it?
Trachea (a long tube that goes down into the chest)
Where does the air go after entering the trachea and what is it?
Bronchi (2 smaller tubes)
Where does the air go after entering the bronchi? What parts have the lungs got?
The lungs (bronchioles, alveoli, capillaries)
What are the bronchioli?
Samaller bronchi in which bronchi is divided in the lung, like the branches of a tree
What are the alveoli?
Air sacs at the end of each bronchiole, where the gas exchange happens
What is the function of capillaries?
Carry blood
What happen with the diaphragm when we breathe in (inhale) ?
When we breathe in: the diaphragm contracts and moves down, the lung inflate and the ribcage expands.
What happen with the diaphragm when we breathe out (exhale)?
When we breathe out: the diaphragm relaxes, moves up, the lungs deflate, the ribcage gets smaller
