Question

Fill in the blanks to complete the following statements.

(iii) The iron pigment __________ gives red colour to the blood.

Answer 1

Cells present in the blood:

There are three types of cells present in the blood, they are:

1. Red Blood Corpuscles (RBCs)/ Erythrocytes
2. White Blood Cells (WBCs)/ Leucocytes
3. Platelets/ Thrombocytes

Pigmentation of RBCs:

1. The Red Blood Corpuscles are the most abundant type of cells found in the blood.
2. The RBCs contain a red-colored, respiratory, iron pigment called hemoglobin.
3. Due to the presence of haemoglobin in the blood, it appears reddish.
4. Haemoglobin acts as an oxygen-carrier molecule.

The iron pigment haemoglobin gives red colour to the blood.