lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
C. arterial hypoxia
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
haemocyanin
haemoglobin
myoglobin
haemoerythrin
trachea
bronchi
bronchioles
none of these
residual volume
tidal volume
vital capacity
lung volume
chemicals
physical conditions
nerves
all of these
less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung capillaries
external nares
pharynx
larynx
bronchi
Oxidases
Metabolites
ATP
ADP
Amoeba
Bed bug
Hydra
Tapeworm
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
3 per cent
25 per cent
16 per cent
20 per cent
Contract
relax
expand
shows no change
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
conjunctiva
pleura
meninges
peritoneum
25-30 times
10-15 times
14-18 times
20-25 times
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
moist
immersed in water
very thin
vascular
anaemia
deoxygenation
detoxification
hypoxia
Glottis
Vocal cords
Vocal sacs
Epiglottis
Copper
Magnesium
Iron
Manganese
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
neuron
alveolus
bronchus
none of these
sleeping
running
eating food
playing
RBC
WBC
Both (a) and (b)
RBC and hormones
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
dome shaped
oblique
flattened
normal
dull red
bluish red
bright red
dull brown
tidal volume
ventilation rate
residual volume
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