Question

___ is also called the respiratory pigment.

Answer 1

1. The molecule that enhances the ability of blood to carry oxygen is called a respiratory pigment.
2. Hemoglobin is a respiratory pigment found in the red blood cells (RBCs) that provides the blood its red color.
3. Hemoglobin binds to oxygen in the lungs to form oxyhemoglobin that deposits oxygen in the tissues.
4. Hemoglobin binds with carbon dioxide in the tissues and brings it to the lungs for exhalation.

Hemoglobin is also called the respiratory pigment.