Question

Describe briefly the role of respiratory pigment in human being?

Answer 1

Respiratory pigment:

1. A respiratory pigment is a substance that enhances the capacity of blood to carry oxygen.
2. Hemoglobin is a protein molecule present in red blood cells (RBCs).

Role of Hemoglobin:

1. Hemoglobin is the respiratory pigment that carries oxygen to different body parts from the lungs.
2. Carbon dioxide produced in the tissue regions is carried by the hemoglobin and brought back to the lungs for elimination out of the body.