RBC
WBC
Both (a) and (b)
RBC and hormones
A. RBC
expiration
inspiration
respiration
oxidation
external nares
pharynx
larynx
bronchi
larynx
epiglottis
glottis
bronchi
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
carbohydrates are synthesised
proteins are broken down
fat molecules are metabolised
energy is liberated
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
the larynx is closed
the trachea gets narrowed
the gas exchange area of lungs is increased
the gas exchange area of lungs is decreased
hypercapnia
pulmonary edema
hypoxia
emphysema
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung capillaries
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
trachea
bronchi
bronchioles
none of these
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
medulla oblongata
spinal cord
vagus nerve
cerebrum
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
neuron
alveolus
bronchus
none of these
Contract
relax
expand
shows no change
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
conjunctiva
pleura
meninges
peritoneum
500 ml
1000 ml
2000 ml
3000 ml
dull red
bluish red
bright red
dull brown
residual volume
tidal volume
vital capacity
lung volume
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
tidal volume
ventilation rate
residual volume
all of these
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
Oxidases
Metabolites
ATP
ADP
protein
polysaccharide
enzyme
none of these