Respiratory system Flashcards
(14 cards)
Where are the Thorax located?
top part of your body
What muscle separates the lower part of the body from the Thorax?
Diaphram
what are the lungs surrounded by?
there are big pink sponges surrounded by plural membranes
what protects the lungs?
the ribcage - intercoastal muscles run between the ribs.
where does the air that we breathe in go?
the trachea, which splits into two tubes called the bronchi (each one is a bronchus)
what do bronchi split into?
Bronchioles
where do the bronchioles end?
Aveoli AKA the site of gas exchange.
label the diagram?
What happens in the body during inhalation (breathing in)?
Intercoastal muscles and diaphragm contract
thorax volume increases
this decreases pressure, drawing air in
what happens in the body during Exhalation?
Intercostal muscles and diaphragm contract
thorax volume increases
this decreases pressure, drawing air in
describe an experiment on the effect of exercise on breathing rate?
Describe an experiment proving the release of Carbon dioxide in your breath?
describe the gas exchange in humans?
How are Alveoli specialised for gas exchange?
