(question 1) route with all the structures and what they do

to write out the route, answer the question on the written study guide

warms, humidifies, and filters air

nasal cavity

junction for food and air

pharynx

food goes into the…

esophogus

structure that stops food from going into pharynx

epiglottis

the voice box

larynx

tube with cartilage rings

trachea

tracheal rings are made of what and why

cartilage to provide structural support

how many lobes in the right lung

3

which lobe has 3 lungs

right lobe

which lung has 2 lobes

left lung

how many lobes does the left lung have

2

only the left lung includes this structure…

cardiac notch

the cardiac notch is on which lung

left

slightly smaller lung

left lung

protective membrane that surrounds each lung

pleura

what is in between pleura and lungs

pleural fluid

which cavity are the lungs located in

thoracic cavity

are alveoli thick or thin? and how thick are they

thin

one cell thick

where does gas exchange occur

alveoli

structure that provides extensive surface area

alveoli