The Structure and Functions of the Skin

The Structure and Functions of the Skin

Learning Objectives

• Understand the structure of the skin and its appendages.
• Explain the functions of the skin: sensation, heat regulation, absorption, protection, excretion, secretion, and vitamin D production.
• Label a diagram of the cross-section of the skin.
• Recognize the appendages of the skin and explain their function.

What do you already know about the structure and functions of the skin?

Structure of the Skin

• Skin is the largest organ of the body
• Composed of the epidermis, dermis, and subcutaneous layer

Functions of the Skin

• Provides a protective barrier
• Responsible for sensation, heat regulation, absorption, excretion, secretion, and vitamin D production

Skin Appendages and Their Functions

• Hair, nails, sweat and sebaceous glands
• Play a role in protection, sensation, and other functions

Cross-section of the Skin

• Label the different layers of the skin
• Understand the structure and function of each layer

Review of Learning Objectives

• Understand the structure of the skin and its appendages.
• Explain the functions of the skin: sensation, heat regulation, absorption, protection, excretion, secretion, and vitamin D production.
• Label a diagram of the cross-section of the skin.
• Recognize the appendages of the skin and explain their function.

Definition List

• Skin Structure: The skin is the largest organ of the body, composed of the epidermis, dermis, and subcutaneous layer.
• Skin Functions: Beyond providing a protective barrier, the skin is responsible for sensation, heat regulation, absorption, excretion, secretion, and vitamin D production.
• Skin Appendages: These are structures associated with the skin, such as hair, nails, sweat and sebaceous glands. They play a role in protection, sensation, and other functions.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.