Question

Is blood an organ?

Answer 1

Blood:

1. It is connective tissue.
2. It consists of blood plasma and formed elements i.e. cells.
3. It is slightly alkaline with a pH ranging from 7.3 to 7.4.
4. Its functions include the transportation of gases, nutrients hormones, heat, and wastes.
5. It also regulates pH, body temperature, and water content of cells.

Organ:

1. An organ is a collection of all tissues that are grouped into structural and functional units.
2. They serve to carry out the principal activities of the body.
3. Each organ serves to perform a specific function.

Therefore, blood is connective tissue, not an organ.