Biology

What are the main three types of epithelial cells

• Squamous, columnar, Rectangular

• Hexagonal, cuboidal, Triangular

• Squamous, Cuboidal, Columnar

What are special characteristics of epithelial cells

• Epithelial cells are embedded in connective tissue and not anchored.
• Epithelial cells are loosely arranged and highly vascular.
• Epithelial cells are tightly packed, polar, avascular, regenerative, and anchored to a basement membrane.
• Epithelial cells do not regenerate and lack polarity.

What is the first layer of skin and what is it used for. (outside)

• Hypodermis insulation

• Subcutaneous layer blood flow

• Epidermis Protection

• Dermis nerve movement

What layer of skin is refeared to as the living layer of skin

• Epidermis
• Subcutaneous layer
• Stratum corneum
• Dermis

Which layer of skin is considered dead

• Stratum lucidum
• Epidermis

• Hypodermis

• Dermis

What is the purpose of the dermis

• provide structural support and house essential components like blood vessels and nerves.

• The dermis primarily stores fat and energy.
• The dermis is responsible for producing sweat and oil only.
• The dermis acts as a barrier to prevent all types of bacteria.

what is the purpose of the epidermis

• protect the body and regulate moisture.

• To absorb sunlight for energy.
• To produce hormones for growth.
• To provide nutrients to the body.

What is the purpose of the hypodermis

• To facilitate blood circulation in the skin.
• To generate new skin cells for repair.
• To produce sweat and oil for skin hydration. build blood cells and add extra body mass to a person making them seem fat

• insulate the body, absorb shock, and anchor the skin to underlying structures.

When is the best time to apply moisturizer to ones body

• While eating breakfast
• During a workout
• after showering.

• Before going to bed

Lynnlee was outside tanning all day and didn't use sunscreen. her skin is now red and hurts to touch. It is also peeling. what degree burn does Lynnlee have.

• second-degree burn
• sunburn
• third-degree burn
• first-degree burn