RESPIRATORY SYSTEM
False
Air entering the lungs is filtered through the pharynx.
alveoli
Air entering the lungs terminates in the:
False
Air enters the lungs through the esophagus.
epiglottis
An elastic cartilage located at the root of the tongue
bronchial tube
Smaller branches of the bronchi within the lungs
pharynx
The back part of the throat cavity
respiratory
The exchange of oxygen and carbon dioxide within the body is accomplished by the _____________ system.
trachea
The windpipe is a common term for the _________.
alveoli
Tiny sacs within the lungs which increase the respiratory surface
cigarette smoking
A major cause of emphysema as stated in the text is:
bronchiole
A very tiny tube that dead end in a sac within the lungs
False
External respiration includes expelling CO2 from the cells.
decreased
Reduction of gas diffusion as a result of ____________ alveolar surface area is a medical condition known as emphysema.
cilia
Short filaments which wave to move mucus and debris out of the lungs
larynx
The "voice box," which contains the vocal cords in the neck
True
The absorption of oxygen into individual cells is part of respiration.
False
The diaphragm muscles must contract in order to force air out of the lungs (exhale).
False
The lungs contain elastic muscle tissue to permit inhalation.
diaphragm
The muscle tissue assemblage which permits expansion of the lungs is called the _______.
epiglottis
The tissue which diverts food from the trachea upon swallowing is the ___________.
bronchi
The two tubes into which the trachea divide to go into each lung
Remove particles which have entered the lungs and stuck to the bronchial mucus.
What is the function of the cilia?
Blood going to cells receives O2 Blood coming from the cells releases CO2
What takes place through the tissues of the alveoli?
