The Lungs Flashcards
Organisation (15 cards)
What is the thorax?
The top part of your body
How is the thorax separated from the lower part of the body?
By the diaphragm
What do the lungs resemble?
Big pink sponges
What protects the lungs?
The rib cage
What are the membranes surrounding the lungs called?
Pleural membranes
What is the function of the trachea?
To carry air to the lungs
The trachea splits into two tubes called _______.
Bronchi
What are progressively smaller tubes that bronchi split into?
Bronchioles
What are the small bags called where gas exchange takes place?
Alveoli
What surrounds the alveoli?
A network of blood capillaries
What gas is high in concentration in the blood returning to the lungs?
Carbon dioxide
What gas diffuses out of the alveolus into the blood?
Oxygen
What happens to carbon dioxide in the body cells?
It diffuses out of the body cells into the blood
What is the formula to calculate breathing rate in breaths per minute?
Number of breaths ÷ Number of minutes
Kerry takes 91 breaths in 7 minutes. What is her average breathing rate?
13 breaths per minute
