Respiratory:Anatomy Flashcards
what is the process of respiration
1)pulmonary ventilation 2)external respiration 3)transport to tissues 4)internal respiration
what process is used for respiration
diffusion
why is diffusion the process for respiration
it is an energy free process
what happens during the second stage of respiration
external respiration- gas exchange
does not absorb nitrogen(not in the blood)
goes to lungs(gets O2 in blood and CO2 out)
what happens during the fourth stage of respiration
internal respiration-gas exchange
goes to tissues(O2 goes into the cells and CO2 goes out of blood)
what is the purpose of the meatus
to cause disturbance to airflow and cause turbulence
what is the purpose of the palates
mucus sits on top of it and catches bacteria
how many tonsils are there
two
where are the tonsils positioned
where air is coming in the body
what blocks the esophagus
the epiglottis
why is breathing through the mouth less efficient?
It loses the purification of air
what is the order of air flow
nasopharynx, oropharynx, laryngopharynx
what type of tissue are the tonsils
lymphoid tissue
what are the two tonsils
pharyngeal and palatine
what is the function of the tonsils
track and monitor for potential infection, starts immune response
what is the function of the bronchial system
filer, warm, and humidify the inhaled air
what is the arrangement of the bronchiole tree
primary branches, secondary branches, tertiary branches
what happens to the air as it goes down the bronchiole tree
the air gets split up into particles(thinner than paper) so that diffusion is effective
where do the air sacs start in the bronchioles
alveoli
what are the changes during the bronchiole tree
1) less and less cartilage as move further down tree
2) thinner epithelia
3) columnar progressively becomes squamous as move down tree
4) smooth muscle increases
what is the transition zone from the conducting zone structures to respiratory zone structures
bronchiole tree
what zone has no alveoli
conducting zone
what zone has alveoli
respiratory zone
plural contain simple (type one) epithelial and surfactant (type two) cells
alveoli