Glottis
Vocal cords
Vocal sacs
Epiglottis
B. Vocal cords
conjunctiva
pleura
meninges
peritoneum
vital capacity
residual volume
inspiratory capacity
any of these
larynx
epiglottis
glottis
bronchi
residual volume
tidal volume
vital capacity
lung volume
carbohydrates are synthesised
proteins are broken down
fat molecules are metabolised
energy is liberated
external nares
pharynx
larynx
bronchi
Cells lining the lung cavities
Cells found in blood
All living cells of the body
RBC only
Contract
relax
expand
shows no change
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
Copper
Magnesium
Iron
Manganese
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
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
medulla oblongata
spinal cord
vagus nerve
cerebrum
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
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
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
anaemia
deoxygenation
detoxification
hypoxia
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
dull red
bluish red
bright red
dull brown
Oxidases
Metabolites
ATP
ADP
RBC
WBC
Both (a) and (b)
RBC and hormones
asthma
pericarditis
bronchitis
pneumonia
500 ml
1000 ml
2000 ml
3000 ml
25-30 times
10-15 times
14-18 times
20-25 times
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
expiration
inspiration
respiration
oxidation
Glottis
Vocal cords
Vocal sacs
Epiglottis