chemicals
physical conditions
nerves
all of these
A. chemicals
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
protein
polysaccharide
enzyme
none of these
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
neuron
alveolus
bronchus
none of these
sleeping
running
eating food
playing
less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung 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
moist
immersed in water
very thin
vascular
chemicals
physical conditions
nerves
all of these
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation
Glottis
Vocal cords
Vocal sacs
Epiglottis
anaemia
deoxygenation
detoxification
hypoxia
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
haemocyanin
haemoglobin
myoglobin
haemoerythrin
expiration
inspiration
respiration
oxidation
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
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
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
RBC
WBC
Both (a) and (b)
RBC and hormones
medulla oblongata
spinal cord
vagus nerve
cerebrum
tidal volume
ventilation rate
residual volume
all of these
Amoeba
Bed bug
Hydra
Tapeworm
500 ml
1000 ml
2000 ml
3000 ml
external nares
pharynx
larynx
bronchi
residual volume
tidal volume
vital capacity
lung volume
Oxidases
Metabolites
ATP
ADP
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
Copper
Magnesium
Iron
Manganese
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
dome shaped
oblique
flattened
normal