Lungs are enclosed in
Pericardium
Peritoneum
Perichondrium
Pleural membrane
In mammals, the coverings of the lungs is called
During inspiration, the diaphragm
Expands
Shows no change
Contracts and flattens
Relaxes to become dome shaped
The carbon dioxide is transported via blood to lungs as
dissolved in blood plasma
in the form of carbonic acid only
in combination with haemoglobin only
carbaminohaemoglobin and as carbonic acid
When CO2 concentration in blood increases, breathing becomes
shallower and slow
there is no effect on breathing
slow and deep
faster and deeper
When the oxygen is inadequate during respiration the condition is called
Hypoxia
Asphyxia
Pleurisy
Anoxia
Respiration is performed by the intestines in
Tortoise
Toad Pipa
Toad Xenopus
Bony fish Misgurnus
Respiratory pigment or oxygen carrier in frog’s blood is
Haemazoin
Hemoglobin
Haemocyanin
Lymphocytes
Maximum expiratory volume is
300 ml
500 ml
1000 ml
3500 ml
The process of migration of chloride ions from plasma to RBC and of carbonate ions from RBC to plasma is
chloride shift
ionic shift
atomic shift
Na+ pump
