Question

.Diffusion is the key mechanism of gaseous exchange,still presence of haemoglobin pigment is a crucial factor in our blood based on which our oxygen requirement is satisfied. Explain the statement.

Answer 1

Answer:

yes diffusion is a key component in all mechanisms

Explanation:

during metabolic activities like gasses exchanging , digestion, excretion, transportation,and some other activities it plays a crucial role.

during cellular respiration the heamoglobin carries oxygen and cells contains corbondioxide both are under go in diffusion and exchanging gasses at cell level occurs. the carbon dioxide is transports as bicarbonates.