A
What part of the body controls breathing?
The brain
Cells use oxygen and produce......
Carbon Dioxide
The sound caused by air that cannot move freely and causes parts of the mouth and throat to vibrate and hit together is
a snore
In order to live and function every cells needs
Oxygen.
Irritation to the lining of the airways causes air to be violently released through the nose in
a sneeze
Breathing that you can think about and control for a short time is called
voluntary breathing
The epiglottis
Also called the voice box
Larynx
Also called the throat
pharynx
also called the windpipe
trachea
tiny blood vessels that surround the alveoli
capillaries
The pitch of a sound that you make depends on the _____ and _____ of your vocal cords.
Where does the exchange of oxygen and carbon dioxide take place?
in the alveoli
Which part of the respiratory system is a strong, curved muscle attached below the lungs to the lower ribs and backbone
the diaphragm
When lungs become infected, a person has
pneumonia
Which parts of the respiratory system are saclike organs that replace the carbon dioxide in your blood with oxygen?
the lungs
bronchi
Tiny hairlike structures that line the nasal passages as well as most of the respiratory system
cilia
which respiratory disorder often causes the muscles around the bronchial tube to tighten more than normal, making it hard for a person to breathe?
Asthma
Which muscles change the space and pressure inside the body to allow breathing?
The chest muscle and the diaphragm
Why is smoking harmful?
smoke contains poisonous chemicals that harm the lungs and other parts of the body. The smoke forms a sticky tar that keeps the cilia from working properly. Smoke can also keep the alveoli from working.
Each lung has about _______ alveoli.
300 million!!!!
How many liters of air do you breathe in each day?
about 14,000 L
6 Liters of air.
cartilage.