(a) Write the name and one function of respiratory pigment found in human beings. (b) Why do lungs always…
(a) Write the name and one function of respiratory pigment found in human beings.
(b) Why do lungs always contain a residual volume of air ?
(c) Why is ATP known as energy currency of the living beings ?
Solution
(a) Haemoglobin
To take up oxygen from lungs and carry it to tissues which are deficient in oxygen / Transports oxygen to various body parts.
(b) To provide sufficient time for oxygen to be absorbed and for carbon dioxide to be released.
(c) ATP provides energy for various cellular processes