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Respiration
the exchange of gases between the cells and their environment
Cell
is the basic unit of life
Tissue
formed by a group of cells
Organ
formed by a group of tissues
Organ System
formed by a group of organs
Respiratory system
the organ system in which the nose, throat, trachea, bronchi, and lungs can be found in
Nose
have nostrils which serve as passageways of air into the body
Nasal Cavity
extends from the nostrils to the throat, as well as cleans and humidifies the air
Coarse Hairs
projecting from the inner walls of the nostril filters some dust particles out of the body
Mucous Membrane
secretes mucus, which is a moist, thick, and shaky substance
Cilia
microscopic hairs on the surface of the mucous membrane that move back and forth to push mucus, and any substance out of the nose
Pharynx
is the passageway of air that connects the nasal cavity to the larynx and trachea
Trachea
is also called the windpipe, a tube that’s about 10cm in length and 2.5cm in diameter
Larynx
is also called the voice box
Bronchi, Bronchioles, Alveoli
are 3 organs found inside of the lungs
Bronchi
are 2 large hollow bronches
Bronchioles
carry air to small sacs in your lungs called alveoli
Alveoli
the Bronchioles carries air to this part of the lungs
Lungs
makes oxygen available to your body and removes other gases
Diaphragm
is a dome-shaped muscle that separates the chest from the abdomen
Low air pressure
describes the air pressure in the lungs whenever inhaling
High air pressure
describes the air pressure in the lungs whenever exhaling
Oxygen
describes the air from the environment which you take into your lungs
Carbon Dioxide
describes the air from your lungs that you release back into the environment
Red blood cells
transport the body’s inhaled oxygen into various tissues and organs