Exhilation And Inhilation

Question 1

Name 6 things that happen during exhalation:

Answer 1

• diaphragm relaxes
• internal intercostal muscles contract
• chest cavity decreases in volume
• pressure inside increases
• air flows from high pressure (the lungs) to low pressure (outside)

Question 2

Name 6 things that happen during inhalation:

Answer 2

• diaphragm contracts
• external intercostal muscles contract
• chest cavity increases in volume
• pressure inside decreases
• air flows from high pressure (outside) to low pressure (the lungs)