anaemia
deoxygenation
detoxification
hypoxia
D. hypoxia
expiration
inspiration
respiration
oxidation
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
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
vital capacity
residual volume
inspiratory capacity
any of these
flattened and ciliated cells to increase the surface area of lungs
columnar and ciliated cells to increase the surface area of lungs
only ciliated cells to increase the surface area of lungs
only squamous cells to decrease the surface area of lungs
RBC
WBC
Both (a) and (b)
RBC and hormones
dull red
bluish red
bright red
dull brown
chemicals
physical conditions
nerves
all 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
sleeping
running
eating food
playing
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
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
protein
polysaccharide
enzyme
none of these
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
external nares
pharynx
larynx
bronchi
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
500 ml
1000 ml
2000 ml
3000 ml
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
25-30 times
10-15 times
14-18 times
20-25 times
neuron
alveolus
bronchus
none of these
Amoeba
Bed bug
Hydra
Tapeworm
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
Oxidases
Metabolites
ATP
ADP
asthma
pericarditis
bronchitis
pneumonia
trachea
bronchi
bronchioles
none of these
Glottis
Vocal cords
Vocal sacs
Epiglottis
Contract
relax
expand
shows no change
anaemia
deoxygenation
detoxification
hypoxia
haemocyanin
haemoglobin
myoglobin
haemoerythrin