Respiratory System
The area in which air is taken in, warmed, moisturized, and filtered.
Nasal cavity (passages)
a muscular structure that expands the thoracic cavity for the air to enter the lungs and relaxes so it can leave
diaphragm
___________ surround our alveoli and allow gas exchange to occur between the respiratory and circulatory systems
capillaries
What are the jobs of the respiratory system?
to deliver oxygen and remove carbon dioxide
elastic tube inside the neck, forming part of the respiratory and digestive systems.
Pharynx
As we exhale, the muscles in our diaphragm and along our rib cage do what?
relaxes/ contracts
the diaphragm contracts during _____________
Inhalation
chronic respiratory disease in which the brochial tubes contract and spasm, causing inflammation
asthma
short elastic tube where the vocal cords are located, two membranes that vibrate to form the sounds.
Larynx
The trachea is lined with rings of this flexible connective tissue. These rings help keep it sturdy and protected
Cartilage
What are the smaller air passages that branch off each bronchi within the lungs?
Bronchioles
T What is the substance found in cigarettes that causes lung tissue to die?
Tar
tube formed by rings of cartilage that descends from the larynx and enters the thorax
Trachea
plate of cartilage that prevents food from entering the larynx.
Epiglottis
True or False: Diffusion of gases happens in the alveoli.
TRUE
T Inflammation of the bronchial tubes causing people to cough up thick mucus
bronchitis
a pair of cartilaginous ducts that start in the trachea and go to each of the lungs
bronchi
sacs of tissue covered with capillaries at the end of the bronchioli, which make up the lung
Alveoli
List the correct order of air flow into the respiratory system. You should have at least 5 words listed.
nasal cavity, trachea, bronchi, bronchioles, alveoli
How much air does the average human inhale in one day?
388 cubic feet