Topic 1 The respiratory system Flashcards
Path taken by air to get into lungs
Nose
Trachea
Bronchus
Bronchioles
Alveoli
Breathing in is known as
Inhalation
Breathing out is known as
Exhalation
The name of the muscles in between the ribs
Intercostal muscle
The name of the muscle that separates the lungs from the stomach region (abdomen)
DIaphragm
What causes inhalation
Intercostal muscles contract
Ribs move up and out
Diaphragm contracts
Diaphragm flattens
This increases volume of lungs and air rushes in
What causes exhalation
Intercostal muscles relax
Ribs move down and in
DIaphragm relaxes
Diaphragm moves up
Decreases volume in lungs forcing air out
What gas is present in higher amounts in inhaled air
More oxygen
What gas is there less of in exhaled air
Oxygen
What gas is there more of in exhaled air
Carbon dioxide
How else is exhaled air different to inhaled air
It is warmer and has more water vapour
What happens when you exercise to your breathing rate and why
Your breathing rate increases
This is to get more oxygen into the body for respiration
What is the addictive drug in cigarettes
Nicotine
What is the poisonous gas in cigarettes
Carbon Monoxide
What lung diseases are linked to smoking
Lung Cancer
Emphysema
Bronchitis
COPD
