Integumentary System 1

Lines body cavities that lack openings to the outside

Secretes watery serious fluids which helps lubricate

Lines cavities and fluids that do have openings to the outside

Secretes mucous

Organ known as skin

From the inner linings of the joint activities between the ends of bones at freely movable joints

Secretes a thick, colorless synovial fluid to secrete joints

Large organ

Plays a vital role in homeostasis

Protects

Prevents water loss from deep tissues

Houses sensory organs

Synthesizes biochemicals ( Vitamin D)

secretes small quantities of waste

Outer layer composed of stratified squamos

Inner layer

Thicker than epidermis

Includes connective tissue, epithelial tissue, smooth muscle, nerve tissue and blood

Anchors the epidermis to the dermis and seperates these two layers

• Beneath the dermis
• (not a true layer of skin)

It's composed of loose connective tissues and adipose

Composed of different layers

No blood fluid in the ....

Epidermal cells with the highest metablic demands are found closest to the....

Where the diffusion distance is shorter

Dominated by keratinocytes

Covers most of the body surfaces

Contains 4 layers of keratinocytes

is about as thick as the wall of a plastic bag (0.08mm)

found in the palms and soles

contains 5 layers of keratinocytes

is about as thick as a paper towel (0.5mm)