Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
C. All living cells of the body
increased alveolar ventilation and increased cardiac output
shift in the haemoglobin dissociation curve to the right
increased erythrocytes and haemoglobin content of blood
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
haemocyanin
haemoglobin
myoglobin
haemoerythrin
residual volume
tidal volume
vital capacity
lung volume
dull red
bluish red
bright red
dull brown
trachea
bronchi
bronchioles
none of these
Contract
relax
expand
shows no change
expiration
inspiration
respiration
oxidation
3 per cent
25 per cent
16 per cent
20 per cent
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
Amoeba
Bed bug
Hydra
Tapeworm
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
sleeping
running
eating food
playing
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
protein
polysaccharide
enzyme
none of these
asthma
pericarditis
bronchitis
pneumonia
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
medulla oblongata
spinal cord
vagus nerve
cerebrum
25-30 times
10-15 times
14-18 times
20-25 times
tidal volume
ventilation rate
residual volume
all of these
hypercapnia
pulmonary edema
hypoxia
emphysema
Oxidases
Metabolites
ATP
ADP
returns highly oxygenated blood to the left heart for distribution throughout the body
returns highly oxygenated blood to right heart for distribution throughout the body.
delivers blood to lungs low in oxygen
delivers highly oxygenated blood in lungs
neuron
alveolus
bronchus
none of these
external nares
pharynx
larynx
bronchi
Copper
Magnesium
Iron
Manganese
500 ml
1000 ml
2000 ml
3000 ml
vital capacity
residual volume
inspiratory capacity
any of these