A hormone's chemistry decides how it works. Lipid-soluble hormones slip inside the cell; water-soluble ones must knock from outside. Switch between them and step through.
Steroid hormone
Hormone mechanismsinside vs outside the cell
📷 Reference image
A real labeled figure to compare with the interactive above.
How Hormones Act — OpenStax, CC BY 3.0 (via Wikimedia Commons)
