What do you call the tiny air sacs in the lungs?
Alveoli
What part of the respiratory system is responsible for gas exchange?
Alveoli
This is the primary muscle for respiration.
diaphragm
What is the process of taking air into our body?
inhalation
From the nose, air passes into this tube that allows the passage of food and air. What is this tube?
pharynx (throat)
Give one function of the respiratory system.
Filtration of dirt in air/ voice reproduction / breathing
These are the openings of the nose. What are these?
Nostrils
When air passes through it from the pharynx, it vibrates to produce sound. What is it?
Larynx
It is also called "windpipe". It branches out into two tubes or bronchi. What is it?
Trachea
This is a sticky substance inside the nose that filters and traps the dirt present in the air.
mucus
What is the process when the carbon dioxide from the different parts of the body is released?
Exhalation
Give four organs of the respiratory system.
nose, mouth, pharynx, larynx, trachea, lung, bronchus
These are the smaller tubes of bronchi. What are these?
Bronchioles
What happens to the diaphragm when we exhale?
The diaphragm relaxes and moves up to push air.
What happens to the diaphragm when we inhale?
The diaphragm contracts and moves down.
