nasal cavity
hollow space in the nose which is lined by mucous membranes, warms air during inhalation, trapping water during exhalation, cleanses air by coarse hairs inside the nostrils and cilia inside the cavities
pharynx
throat; funnel shapped passage that connects the nasal and oral cavities to the larynx.
larynx voice box
passageway for air moving from pharynx to trachea, contains vocal cords
epiglottis
the flap of tissue that prevents food or liquids from passing into the larynx
nose
part of the upper respiratory tract, lined with mucous membranes, two nasal cavities divided by septum
trachea
windpipe,connects to larynx to primary brochi, held open by c-shaped cartilage rings
bronchi
paired tubes that carry air to the lungs
bronchioles
tubes that lead from bronchi to alveoli
lungs
pair of cone shaped organ, the right side had 3 lobes , left side has 2 lobes
alveoli
air sacs in lung that exchange gas between air and blood
Breathing
A physical movement
Respiration
A chemical reaction
Why do you breathe
signals from your brain tell the muscles in your chest to contract and relax
What supports the trachea
rings of cartiliage
When you swallow what blocks the air way
the epiglottis