A tissue is a group of similar cells doing a shared job. Your whole body is built from just four of them. Meet each one. See how it looks, where it lives, and what it does.
Epithelial tissue
The four tissuesfour building blocks
Meet the four
📷 Reference image
A real labeled figure to compare with the interactive above.
The Four Tissue Types — OpenStax, CC BY 3.0 (via Wikimedia Commons)
