Respiratory System Flashcards
The main function of the respiratory system is that it is responsible for the intake of ___________ and the removal of _______ ________.
oxygen; carbon dioxide
What body parts make up the upper respiratory system?
Nose; nasal cavity; olfactory membrane; pharynx (throat); mouth; epiglottis; larynx
What body parts make up the lower respiratory system?
Trachea
Bronchi
Lungs
Breathing muscles
What is the primary body part for air intake and the removal of CO2?
the nose
Name the 3 functions of the nose?
filtering; moisturizing; warming of air
The nose protects the ______ ______.
nasal cavity
The nasal cavity is lined with ____ and ____ to stop _____ from getting to the respiratory system.
hair; mucous; contaminants
The nose and nasal cavity contain _____ _____, that are responsible for your sense of smell.
olfactory membranes
Olfactory epithelium contains olfactory _____ cells.
receptor
What on the outside of the olfactory epithelium is stimulated to send a signal through the receptor cells?
cilia
The signal sent through the receptor cells goes into the olfactory bulb which converges with the olfactory receptors to make up the ____ _____ ____.
first cranial nerve
The mouth is not the primary breathing organ, but what 2 advantages does it have over the nose?
larger in size; closer to the lungs
The pharynx, also known as the ______, is made up of ______ muscles connected to a gag reflex.
throat; 17
What are the 3 components of the pharynx?
nasopharynx
oropharynx
laryngopharynx
Which part of the pharynx does air come in and pass through first? It is the first place that air will come in and is superior to the soft palate.
nasopharnyx
The nasopharnyx connects to the _____ tubes in the middle ears. They allow air pressure in the eardrum to be ______.
eustachian tubes; equalized
What part of the pharynx starts at the soft palate, traveling down to the epiglottis? Hint: it is where air enters in from the mouth and the same passageway used for transporting food.
oropharynx
Which part of the pharynx does both air and food pass through, it begins at the epiglottis and leads down the esophagus?
larygopharynx
What could inflame the eustachian tubes, maybe causing an earache?
a common cold or the flu
What body part apart of the upper respiratory system sits on top of the larynx, like a flap?
epiglottis
When you swallow, the epiglottis covers the ______. When you breathe, the epiglottis covers the _______.
trachea; esophagus
Air enters the _____; food enters the _____.
trachea; esophagus
The epiglottis is made of _____ _____.
elastic cartilage
Your voice box is also known as your _____.
larynx
Where is the larynx located?
between the pharynx and trachea