Respiratory System Flashcards
Alveoli
Tiny air sac where oxygen diffuses into capillaries
Bronchile
Small branching tube with alveoli at the end
Bronchus
One of two narrower tubes that leads off the trachea
Diaphragm
A muscle that allows the lungs to expand so that air can be pulled in
Haemoglobin
A red pigment that binds to oxygen
Pulmonary artery
Blood vessel that caries deoxygenated blood from the heart to the lungs
Pulmonary Vein
Blood vessel that carries oxygenated blood from the lungs to the heart
Trachea
Tube through which air moves from you mouth to your lungs
Cellular respiration
Oxygen + glucose making energy
Function
To get oxygen to your cells
Breathing
Inhaling oxygen to your trachea
Epiglottis
Ensure food doesn’t enter trachea
What do you exhale the most
Nitrogen
Vital Capacity
Largest volume of air that you can breath in or out