Pharynx, larynx, trachea, bronchi and bronchioles
Trachea, bronchi, bronchioles, alveolar ducts and alveoli
Respiratory bronchioles, alveola ducts, alveolar sacs and alveoli
Bronchi, bronchioles, alveolar ducts, alveolar sacs and alveoli
C. Respiratory bronchioles, alveola ducts, alveolar sacs and alveoli
the oxygen content of the blood
the nitrogen content of the blood
receptors in the larynx
the carbon dioxide content of the bkxxl
Amoeba
Bed bug
Hydra
Tapeworm
Copper
Magnesium
Iron
Manganese
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
chemicals
physical conditions
nerves
all of these
less than that in alveolar air
more than that in alveolar air
equal to that in alveolar air
similar to oxygen pressure in the capillaries
sleeping
running
eating food
playing
neuron
alveolus
bronchus
none of these
trachea
bronchi
bronchioles
none of these
Oxidases
Metabolites
ATP
ADP
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation
dull red
bluish red
bright red
dull brown
tidal volume
ventilation rate
residual volume
all of these
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
hypercapnia
pulmonary edema
hypoxia
emphysema
medulla oblongata
spinal cord
vagus nerve
cerebrum
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
expiration
inspiration
respiration
oxidation
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
vital capacity
residual volume
inspiratory capacity
any of these
Pharynx, larynx, trachea, bronchi and bronchioles
Trachea, bronchi, bronchioles, alveolar ducts and alveoli
Respiratory bronchioles, alveola ducts, alveolar sacs and alveoli
Bronchi, bronchioles, alveolar ducts, alveolar sacs and alveoli
asthma
pericarditis
bronchitis
pneumonia
25-30 times
10-15 times
14-18 times
20-25 times
protein
polysaccharide
enzyme
none of these
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
residual volume
tidal volume
vital capacity
lung volume
RBC
WBC
Both (a) and (b)
RBC and hormones