Respiratory system Flashcards
what is oxygen used for in cells
metabolism
what is exchanged between organisms and external environment
02 and CO2
what is in the upper resp system
nose
nasopharynx
pharynx
larynx
what is the nose lined by
epithelial cells and cillia
what is the back of nasopharynx made of
adenoids made of dense lymphoid tissue
what does the Eustachian tubes connect
nasopharynx to middle ear
what does the Eustachian tubes have a key role in equalising
pressure
what dies the larynx connect
short passage which connect pharynx and trachea
which part of bronchioles have no cartilage
the terminal bronchioles whose wall have more smooth muscle
the first 16 in the bronchioles have ……….. in gas exchange
no significance
the last 7 generation have ……… in gas exchange system
an effect
in the alveoli type 1 cells are the …… site of gas exchange
primary
the type 2 cells in the alveoli will make ……… which reduce ………….. in alveolus
surfactant
surface tension
pulmonary gas exchange and transport:
- the oxygen enters the blood at …………….. interface
- oxygen is transported in blood dissolved in …… to haemoglobin inside Red Blood Cells
- …………… diffuses into cells
- ………….. diffuses out of cells
- ………….. enter alveoli
alveolar-capillary plasma o2 co2 co2
what is the red color in haemoglobin
fe 2+ and O2
in expiration the diapgragm will
relax
in expiration there is elastic recoil of the chest wall and lungs
true/false
true
what is the vital capacity the sum of
IRV, ERV, TV
what is the total lung capacity the sum of
VC +RV
what is the FRC sum of
ERV+RV
