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
B. more than that in alveolar air
Amoeba
Bed bug
Hydra
Tapeworm
Copper
Magnesium
Iron
Manganese
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
the oxygen content of the blood
the nitrogen content of the blood
receptors in the larynx
the carbon dioxide content of the bkxxl
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
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
dome shaped
oblique
flattened
normal
chemicals
physical conditions
nerves
all of these
neuron
alveolus
bronchus
none 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
Oxidases
Metabolites
ATP
ADP
Glottis
Vocal cords
Vocal sacs
Epiglottis
500 ml
1000 ml
2000 ml
3000 ml
moist
immersed in water
very thin
vascular
larynx
epiglottis
glottis
bronchi
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
trachea
bronchi
bronchioles
none 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
anaemia
deoxygenation
detoxification
hypoxia
protein
polysaccharide
enzyme
none of these
3 per cent
25 per cent
16 per cent
20 per cent
external nares
pharynx
larynx
bronchi
haemocyanin
haemoglobin
myoglobin
haemoerythrin
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
medulla oblongata
spinal cord
vagus nerve
cerebrum
residual volume
tidal volume
vital capacity
lung volume
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals