moist
immersed in water
very thin
vascular
A. moist
the oxygen content of the blood
the nitrogen content of the blood
receptors in the larynx
the carbon dioxide content of the bkxxl
neuron
alveolus
bronchus
none of these
trachea
bronchi
bronchioles
none 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
less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung capillaries
25-30 times
10-15 times
14-18 times
20-25 times
500 ml
1000 ml
2000 ml
3000 ml
medulla oblongata
spinal cord
vagus nerve
cerebrum
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
dome shaped
oblique
flattened
normal
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
Oxidases
Metabolites
ATP
ADP
dull red
bluish red
bright red
dull brown
haemocyanin
haemoglobin
myoglobin
haemoerythrin
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
residual volume
tidal volume
vital capacity
lung volume
hypercapnia
pulmonary edema
hypoxia
emphysema
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
sleeping
running
eating food
playing
Contract
relax
expand
shows no change
tidal volume
ventilation rate
residual volume
all of these
Glottis
Vocal cords
Vocal sacs
Epiglottis
anaemia
deoxygenation
detoxification
hypoxia
asthma
pericarditis
bronchitis
pneumonia
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia