Chapter 2: The Skin - Integumentary System

Question 1

Functions of the skin, hair, and nails…

Answer 1

• Protect - Keeps bad out and organs in
• Maintain body temperature - (homeostasis)
• Eliminate waste (Ex: Sweat)
• Sensory - Largest sensory organ

Question 2

Epidermis ( Dead Layer)

Answer 2

• The outer/external layer
• made up of Epithelial tissues on top of connective tissues
• Contains melanin (Produced by melanocytes
• Contains hair and nails

Question 3

Dermis (Living Layer)

Answer 3

• Internal layer, mostly connective tissue
• contains small blood vessels, nerves, and lymph vessels

Question 4

Types of Glands

Answer 4

• Sebaceous - secretes oil called Sebum, keeps skin and hair soft and pliable
• Sudoriferous - sweat glands secrete Sudor, has pores
• Ceruminous - secretes earwax, protects ear canal, traps bacteria/dust