The human body contains approximately 200 different types of cells, which are categorized into four basic classes: epithelial tissues, muscle tissues, nerve tissues, and connective tissues.

Authors

• Person: Not available Organization: Britannica
  Human body | Organs, Systems, Structure, Diagram, & Facts

Sources

• Human body | Organs, Systems, Structure, Diagram, & Facts www.britannica.com Britannica via serper

Referenced by nodes (1)

• connective tissue concept