Anatomy Respiratory Flashcards
1
Q
Main job of the respiratory system?
A
Brings in oxygen and takes out carbon dioxide
2
Q
Why is nose breathing preferred?
A
- It filters the air
- It moistens the air
- It heats the air more than mouth breathing
3
Q
Describe the breathing process through the nose
A
Diaphragm contracts Nasal cavity Pharynx Larynx Trachea Bronchus Bronchioles Alveoli
4
Q
What is the name of the flap that closes when we swallow food though the oesophagus/gullet?
A
Epiglottis
5
Q
What do the alveoli do?
A
They are little balloons that swell and deflate when we breathe. They are connected to capillaries which exchange oxygen and carbon dioxide
6
Q
The hair that filters air is called ____ and it starts at the nose and goes all the way down to the ________
A
Cilia
Bronchus
7
Q
Why do we yawn?
A
Too much carbon dioxide or not enough oxygen.
8
Q
What is a hiccup and which muscle causes it?
A
A short inhalation caused by a moody muscle (diaphragm)
