Your skin is amazing. It is the largest organ in your body, and it grows with you from birth to adulthood. It allows you to feel a wide range of sensations, and it protects you from a variety of harm. In addition to providing protection from physical damage, your skin…
How Skin Works
The epidermis is the outermost layer of our skin. Tough and resilient, protection is its number one job. Think of a parka you may wear in the winter. The inside is lined with soft fleece, providing a layer of warmth. But the outside is made of a strong waterproof material that lets nothing through. It is a similar situation with our own epidermis.
The dermis might be considered the “core” of the integumentary system(derma- = “skin”), as distinct from the epidermis (epi- = “upon” or “over”) and hypodermis (hypo- = “below”).
Subcutaneous tissue, which is also known as the hypodermis, is the innermost layer of skin. It’s made up of fat and connective tissues that house larger blood vessels and nerves, and it acts as an insulator to help regulate body temperature.