WorksheetsThe Mechanics of Breathing
Total questions: 8
Worksheet time: 6mins
Which muscles control the inhalation and exhalation of breathing?
Ribs and Diaphragm
Lungs and Intercostal Muscles
Diaphragm and Intercostal Muscles
Trachea and Bronchi
When we inhale, the Intercostal Muscles contract causing the Ribs to move...
Upwards and Outwards
Inwards and Downwards
Air moves from High to Low Atmospheric Pressure?
True
False
When air pressure inside the lungs is less than air pressure in the atmosphere...
Air moves into the lungs
Air moves out of the lungs
When the diaphragm and intercostal muscles contract they decrease the volume of the thoracic cavity?
True
False
When the diaphragm and intercostal muscles contract they increase the volume of the thoracic cavity?
True
False
When the diaphragm relaxes it moves back up into what shape?
Cube
Pyramid
Dome
Star
During exhalation the volume of the thoracic cavity decreases because the intercostal muscles and diaphragm relax, forcing air
Into the stomach
To the heart
Out of the body
Into the lungs
