Test 2 pt 2 Flashcards
Trachea are what?
a form of extensive system of tubes that exted deep into the insects body
what are spiracles?
the openings of trachea
what is tidal ventalating?
the way that mammals ventilate their lungs by increasing their lung volume by expanind their thoracic cavity to draw 02 rich air in and co2 rich air out.
air enters through the nose or mouth and passes through waht to the what?
the larynx to the trachea
the trachea branches into two primary what?
bronchi
the bronchi branch further into what and eventually into what?
secondary bronchi, branchioles
surfactant is a componunt that does what for mucus?
reduces surface tension
what does the medulla respiratory center do?
sets the respiratory rhythm
during exercise p02 in the blood decreases and pCO2 does what?
increases
chemoreceptors in what detect decreases in PH and increases in Co2
medulla
cheomreceptors in the what and what detect pH and O2 levels
carotid arteries and aorta.
HEMO-GOBBLIN consists of four what?
polypeptide subunits (protiens)
each of these groups binds a non-protien molecule called a what?
a heme group
MYO-GOBBLIN is found in what cells?
muscle cells
MYO-GOBBLIN ibinds one molecule of oxygen, stores _____ for use by mitochondria, and gives muscle their ____ colour
oxygen, red
