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
D. all of these
haemocyanin
haemoglobin
myoglobin
haemoerythrin
asthma
pericarditis
bronchitis
pneumonia
25-30 times
10-15 times
14-18 times
20-25 times
conjunctiva
pleura
meninges
peritoneum
tidal volume
ventilation rate
residual volume
all of these
protein
polysaccharide
enzyme
none 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
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
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
hypercapnia
pulmonary edema
hypoxia
emphysema
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
dull red
bluish red
bright red
dull brown
external nares
pharynx
larynx
bronchi
larynx
epiglottis
glottis
bronchi
moist
immersed in water
very thin
vascular
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
500 ml
1000 ml
2000 ml
3000 ml
RBC
WBC
Both (a) and (b)
RBC and hormones
Oxidases
Metabolites
ATP
ADP
3 per cent
25 per cent
16 per cent
20 per cent
the oxygen content of the blood
the nitrogen content of the blood
receptors in the larynx
the carbon dioxide content of the bkxxl
vital capacity
residual volume
inspiratory capacity
any of these
Contract
relax
expand
shows no change
trachea
bronchi
bronchioles
none of these
5000 ml of oxygen per day
5000 ml of oxygen per hour
500 ml of oxygen per hour
200 ml of oxygen per minute
cerebral cortex
hypothalamus
medulla oblongata
procencephalon
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
less than that is lung capillaries
equal to that in lung capillaries
double of that in lung capillaries
half of that in lung capillaries
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
carbohydrates are synthesised
proteins are broken down
fat molecules are metabolised
energy is liberated