2️⃣The Respiratory System🫁 Flashcards
What is the nasal passage lined with?
Small hairs
Why is it better to breathe through your nose?
The small hairs will warm the air and also filter it for bacteria
What are the small hairs that line the tubes of the bronchioles called?
They are called cilia
Why are the ribs important?
-they surround the lungs and protect them from damage 🫁 ✋ 🛑
-they also help your thorax while breathing 😮💨
What do the trachea and bronchioles consist of?
They consist of tubes containing rings of cartilage. 💍
What is the function of the rings of cartilage in the trachea and bronchioles
They hold the trachea and bronchioles open when we are breathing 😮💨
Why do small hairs line the tubes of the bronchioles?
They will filter the air and stop any bacteria getting into the alveoli. ✋🦠
Which gases are exchanged in your lungs? 🫁
Oxygen
Carbon dioxide
Where in the lungs does gas exchange take place?
The alveoli
What are 3 features of the alveoli to allow gases to pass through them easily.
They give the lungs a really big surface area
They have a lot of tiny blood vessels
They have moist and thin walls
