Skin of man cannot act as respiratory organ
because

Skin is a respiratory organ in

Skin is a respiratory organ in

Skin is an ideal respiratory organ in Frog because it is

Skin is an ideal respiratory organ in Frog because it is

Skin is an ideal respiratory organ in Frog because it is

Earthworms obtain oxygen for respiration through moist skin. They do not have respiratory organs because

The sponge have no respiratory organs because they

Roasting of sulphides gives the gas 'x' which is colourless with choking smell of burning sulphur and causes great damage to respiratory organs because of its acidic nature. It also acts a reducing agent . The gas 'x' is

Respiratory organs of Saccoglossus are