Donald
Tiny hairlike structures that line the nasal passages as well as most of the respiratory system
cilia
Also called the windpipe
trachea
tiny air sacs in the lungs
alveoli
larynx
also called the throat
pharynx
Two tubes that branch off the trachea
bronichi
capillaries
Which part of the body controls breathing
your brain
In order to live and function every cell needs
oxygen
breathing that you can think about and control for a short time is called
voluntary breathing
Irritation to the lining of the airways causes air . to be violently released through the nose in a
sneeze
Cells use oxygen and produce
carbon dioxide
When the lungs become infected, a person has
pneumonia
The sound caused by air that cannot move freely and causes parts of the mouth and throat to vibrate and hit together is a
the flap of tissue that covers the trachea when swallowing
epiglottis
________ traps dust, dirt, and other particles to help keep the respiratory system clean.
Cilia and mucus
The vocal cords are __________ when you talk or sing
narrow and tight
Which part of the respiratory system is a strong, curved muscle attached below the lungs to the lower ribs and backbone?
the diaphragm
Where does the exchange of oxygen and carbon dioxide take place?
in the trachea
What parts are located in the upper respiratory system?
nose, throat, and larynx
What is considered the lower respiratory system?
How are the lungs protected
the are surrounded by a flexible cage of bones.
Both the trachea and bronchi have c-shaped rings. What are they? and what do they do?
What 2 diseases are often caused by smoking
lung cancer, and emphysema
What happens when you exhale
1. diaphragm and chest muscles relax, diaphragm pushes up, chest muscles push in
4. air pressure inside the lungs increase
5. air is forced out