Respiratory System Recap Flashcards
Passage of air
Nose Pharynx Larynx Trachea Bronchioles Bronchi
Do the muscles contract or relax during inspiration at rest
Contract
Do muscles contract or relax during expiration at rest
Relax
What parts of the body are used during inspiration at rest
External intercostal muscles
Diaphragm
What parts of the body are used during inspiration during exercise
Pectorals Sternoclaidomastoid Scalenes Diaphragm External intercostal muscles
What parts of the body are used during expiration during exercise
Abdominals
Internal intercostal muscles
What is the function of haemoglobin
To combine with oxygen to transport it to the working muscles
Assistance in gaseous exchange/diffusion
Large surface area
Moist thin cell walls
What is tidal volume
Volume of air breathed in or out per breath
What is inspiratory reserve volume
Volume of air can be forcibly inspired after a normal breath
What is expiratory reserve volume
Volume of air that can be forcibly expired after a breath
Residual volume
Volume of air that remains in the lungs after maximum expiration
Minute ventilation
Volume of air breathed in or out per minute
What happens to tidal volume during exercise
Increase
