body system

Guided Notes on the Skin: The Body’s Largest Organ

Introduction

Title: The Skin: The Body’s Largest OrganSubtitle: Functions, Structure, and Importance of Skin HealthImage: Diagram of the skin layers

What is the Skin?

The skin is the __________ organ of the human body.If spread flat, it would cover __________ square feet.

Functions:

Functions of the Skin

Protection:

Protects the body from __________ and __________.

Regulation:

Regulates body __________.

Vitamin D Production:

Produces Vitamin D for __________ bones.

Sensation:

Houses nerve endings for __________, __________, and __________.

Waste Removal:

Removes some waste through __________.

Layers of the Skin

Epidermis:

Outermost layer; protects from __________.

Dermis:

Middle layer; contains __________, __________, and __________.

Hypodermis:

Innermost layer; stores __________ and connects to __________ and __________.

Epidermis – The Outer Layer

The thinnest layer, made up of five __________.Contains __________, which prevents drying out and minor injuries.Contains __________, which gives skin its color and protects against UV rays.

Dermis – The Middle Layer

Contains __________ and __________, which give skin structure and flexibility.Houses nerve endings for __________, __________, pain, and pressure.Contains __________ glands, oil glands, and hair follicles.

Hypodermis – The Deepest Layer

Contains fat cells that store __________ and __________ the body.Helps regulate body __________.

Hair and Its Functions

Made of __________, like the skin.Grows from hair follicles found in the __________.

Functions:

  • Eyelashes and eyebrows protect the __________.

  • Nose hair filters __________ and __________.

  • Head hair regulates __________ and protects from __________.

Nails and Their Role

Also made of __________.Protects the __________ and __________.Grows as old cells are __________ out.

Importance of Skin Care

  • Keep skin __________ to prevent infections.

  • __________ to prevent dryness and cracking.

  • Wear __________ to protect from UV rays.

  • Stay __________ for healthy skin.

  • Eat a __________ diet for skin nourishment.