Skin and Its Layers

Name the layers of the skin from the top to the deepest.

(a)   (b)   (c)  

• Epidermis
• Dermis
• Hypodermis

What are the layers of the epidermis in order?

• Stratum corneum

• Stratum lucidum

• Stratum granulosum

• Stratum spinosum

• Stratum basale

Where are the sweat glands located and how deep do they extend to?

• In the epidermis

• In the dermis

• In the hypodermis

• They do not extend deep

Where do sweat glands end?

• dermis

• with a hair follicle

• with a pore at the surface of the skin

• hypodermis

Does the last part of the finger have a bone?

• Yes

• No

What is the function of melanin?

• Skin pigmentation

• Protection against UV rays

What is the epidermis made of?

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What is a synovial joint?

• ball-and-socket joints

• hinge joints

• synovial joints

What is the function of the fluid in a synovial joint?

• Acts as a lubricant by reducing friction between bones during movement.

• Provides nutrients to the cartilage.

• Absorbs shock during impact.

• Helps in the healing of joint injuries.

How do cranial bones attach to each other?

• At joints called sutures.

• By being fused together.

• Through ligaments.

• By cartilage.