* Function: Epithelial tissue is primarily involved in covering surfaces, lining cavities, and forming glands. Its main roles are protection, secretion, absorption, filtration, and excretion.
* Structure: Epithelial cells are tightly packed together with little to no intercellular space. This structure is ideal for forming barriers and facilitating transport, but not for storing energy.
* Energy Storage: Energy storage is primarily the role of connective tissues, particularly adipose tissue (fat). Adipose cells contain large lipid droplets that serve as energy reserves.
Let me know if you have any other questions about epithelial tissue!
