Epithelial tissue plays a crucial role in wound healing. When the skin is wounded, epithelial cells at the edges of the wound multiply and migrate to cover the wound, forming a protective layer. This process is essential for the initial sealing of the wound and is one of the early stages in the overall wound healing process. Epithelial tissue helps in closing the wound and restoring the skin's integrity.

As of my last update in September 2021, there are 11 fundamental duties of Indian citizens mentioned in the Indian Constitution. These duties were added by the 42nd Amendment Act in 1976. However, it's important to verify with up-to-date legal sources because constitutional amendments can occur, potentially changing the number or content of these duties after my last update.