The Respiratory System Flashcards
(41 cards)
It is the process wherein food is broken down in the cells with the help if oxygen to release energy.
Respiration
It can be simply defined as the physical process of inhalation and exhalation wherein oxygen is obtained and carbon dioxide is expelled, respectively.
Breathing
It is the gas exchange that occurs between the alveoli of the lungs and blood.
External Respiration
It is when the blood transports the oxygen from the alveoli to the cells, and carbon dioxide is transported from the cells to the alveoli.
Transport of respiratory gases
It is the gas exchange that occurs between the blood and cells.
Internal Respiration
What are the two human respiratory systems?
The upper respiratory tract and the lower respiratory tract
It is the holes in your nose and the first entry of the inhaled air.
Nostrils or nares
What are the three regions of the cavity?
Vestibule region, Respiratory region, and Olfactory region
It is lined with mucus that traps microorganisms and other debris in the inhaled air. It serves as the first line of defense against foreign invaders that may enter the body.
Vestibule Region
It warms the inhaled air so that its temperature comes close to the normal body temperature (37 degrees celsius).
Respiratory Region
It is composed of highly sensitive cells that send the stimulus (smell) to the brain and aid in determining the smell.
Olfactory Region
It is also known as the throat.
Pharynx
What are the three parts of the pharynx?
Nasopharynx, Oropharynx, and Laryngopharynx
It serves as a common chamber for the inhaled air and ingested food.
Pharynx
This makes sure that the bolus will go to the food pipe.
Epiglottis
It is also known as the voice box.
Larynx
It is open when a person is breathing to allow air to go into the lungs. And it is closed when speaking.
Larynx
It is also known as the windpipe.
Trachea
It is surrounded with hyaline cartilage that gives strength and flexibility to the tracheal muscles.
Trachea
It is the entry point of the air to the lungs.
Bronchi
It is the smaller branches of the bronchi.
Bronchioles
These are grape-like structures and the actual site of gas exchange.
Alveoli
It is a process wherein substances move from an area of high concentration to one of lower concentration.
Diffusion
It is when each individual exerts pressure.
Partial Pressure