Respiratory System Flashcards
What is in the upper respiratory?
Nose and pharynx
What is in the lower respiratory system?
Lyranx, trachea, bronci, bronchioles and lungs
What is the main purpose of the respiratory system?
To deliver oxygen to the circulatory system in order to provide energy through respiration.
To remove carbon dioxide from the body
What does the pharynx consist of (throat)?
Nasopharynx
Oropharnyx
Laryngophraynx
What is the purpose of the nose?
Filters air and moistens it
What is the pathway of air from outside?
Nose -> pharynx -> larynx -> trachea -> bronchi ->bronchioles ->alveoli
What are alveoli?
Only one cell thick in the lungs
Allow the diffusion of oxygen and gasses into the bloodstream.
Gaseous exchange
What are the diaphragm movements when we breathe in?
It flattens to allow the chest to expand
Intercoastal muscles move ribs upwards and outwards
What are the diaphragm movements when we breathe out?
It becomes dome shaped.
Intercostals relax
