Question

draw a neat diagram of the respiratory system and label the following parts (I) lungs (II) Trachea (iii) Bronchus (iv) Diaphragm (b) name the respiratory pigment in human beings and discuss its role. (c) why is the rate of breathing in aquatic organisms faster than that in terrestrial organisms?​

Answer 1

Explanation:

b)A respiratory pigment is a molecule, such as hemoglobin in humans and other vertebrates, that increases the oxygen-carrying capacity of the blood. The four most common invertebrate respiratory pigments are hemoglobin, hemocyanin, hemerythrin and chlorocruorin.

c)Aquatic animals take in the oxygen dissolved in water. The amount of dissolved oxygen in water is fairly low compared to the amount of oxygen in the air. Therefore, rate of breathing in aquatic organisms is much faster than interrestrial organisms.