Activity 4
Integumentary System
The integumentary system, the body’s largest organ, acts as a physical barrier between the external and internal environments, providing protection and maintenance. It comprises the epidermis, dermis, hypodermis, associated glands, hair, and nails.

Reference/s:
Kim, J. Y., & Dao, H. (2023, May 1). Physiology, integument. StatPearls – NCBI Bookshelf. https://www.ncbi.nlm.nih.gov/books/NBK554386/#:~:text=The%20integumentary%20system%20is%20the,glands%2C%20hair%2C%20and%20nails.