ch. 11
At the top of your trachea is your ______________
larynx
Another deadly disease caused by smoking is
emphysema
the pitch of the sound depends on the thickness and length of the ______ _______
vocal cords
breathing in is called
inhale
breathing out is called
exhale
True or false
Involuntary breathing is automatic
true
____________ is a disorder that causes the small bronchial tubes to become narrow from time to time.
asthma
these soft bands that are the two small bands of elastic tissue stretch across the inside of the larynx
__________ is a lung infection
pneumonia
______ and __________ often occur whenever something irritates the lining of the airways
coughs sneezes
what is another name for the respiratory system
the breathing system
________ are caused by involuntary movements of the diaphragm that disrupt normal breathing
hiccups
when you swallow your food, a flap of tissue called the _____ closes automatically over your trachea
epiglottis
cold viruses usually affect the ____ or ______ causing their cells to swell.
nose or throat
Your ______ are two saclike organs
lungs
the Nose, throat and larynx make up the
upper respiratory system
The bronchioles end in tiny air sacs called
alveoli
Most of the air you breathe comes in through your _______
nose
the trachea is about _____ cm or _____ in long in most adults
10-11 cm or 4 inches
both your trachea and your bronchi have ____ shaped rings of cartilage on their outsides
c
tiny hair like structures called ______ line your nasal passages as well as most of the respiratory system.
cilia
the trachea branches off into two tubes called the ____________
bronchi
True or false
you breathe ____________ when you are unconscious, asleep or simply not thinking about breathing
involuntary breathing.
the air moves from your nose or mouth into your throat, or ___________
pharynx
the _____ ______ is above the pharynx