exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
B. cellular respiration
exchange of gases between lungs and blood
cellular respiration
exchange of gases between lungs and atmosphere
respiration in open air
chemicals
physical conditions
nerves
all of these
external nares
pharynx
larynx
bronchi
egg-laying mammals only
marsupial mammals only
eutherian mammals only
all the mammals
tidal volume
ventilation rate
residual volume
all of these
carbohydrates are synthesised
proteins are broken down
fat molecules are metabolised
energy is liberated
hypercapnia
pulmonary edema
hypoxia
emphysema
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
RBC
WBC
Both (a) and (b)
RBC and hormones
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
3 per cent
25 per cent
16 per cent
20 per cent
expiration
inspiration
respiration
oxidation
dome shaped
oblique
flattened
normal
500 ml
1000 ml
2000 ml
3000 ml
absence of oxygen
diminished amount of oxygen delivered to the tissues
both (a) and (b)
none of these
haemocyanin
haemoglobin
myoglobin
haemoerythrin
the oxygen content of the blood
the nitrogen content of the blood
receptors in the larynx
the carbon dioxide content of the bkxxl
anaemia
deoxygenation
detoxification
hypoxia
dull red
bluish red
bright red
dull brown
vital capacity
residual volume
inspiratory capacity
any of these
trachea
bronchi
bronchioles
none of these
conjunctiva
pleura
meninges
peritoneum
lack of sufficient amount of haemoglobin
lack of sufficient amount of erythrocytes
arterial hypoxia
anaemic hypoxia
asthma
pericarditis
bronchitis
pneumonia
protein
polysaccharide
enzyme
none of these
sucking-in air
pushing expired air out
pushing mucus out
keeping the alveolar air in circulation
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
medulla oblongata
spinal cord
vagus nerve
cerebrum
Oxidases
Metabolites
ATP
ADP
yeast cell in fermentation
a liver cell in glycolysis
an Amoeba in aerobic respiration
a muscle cell in lactic acid formation