Solution:The given statement is true.
Concept- Hemoglobin is the respiratory pigment present in RBC. The respiratory pigment found in RBC is called hemoglobin. Transport of the gasses is handled by it.
Blood is body fluid circulating to all body parts by the heart's pumping action. Blood is the main component of the human body. In contrast, it mixes with oxygen to generate oxyhemoglobin. The blood cells are of different types depending on their pigment. They have their specific function and role in the body.
Therefore it is true that hemoglobin is an important component of blood.
Hence, the correct answer is option 1.