Exploring the Integumentary System

How do sweat glands contribute to homeostasis?

• By producing oil

• By regulating body temperature through perspiration

• By synthesizing vitamin D

• By storing nutrients

Which of the following is a primary function of the skin?

• Digestion

• Respiration

• Protection

• Circulation

What is the outermost layer of the skin called?

• Dermis

• Epidermis

• Hypodermis

• Subcutaneous layer

Analyze the impact of UV radiation on skin cells.

• It strengthens the skin's barrier

• It causes the production of vitamin C

• It can damage DNA and lead to skin cancer

• It increases the production of collagen

Describe the role of keratinocytes in the skin.

• They produce collagen

• They provide a waterproof barrier

• They detect touch sensations

• They fight infections

Identify the type of cell responsible for producing melanin in the skin.

• Keratinocytes

• Melanocytes

• Langerhans cells

• Merkel cells

What is the function of Langerhans cells in the skin?

• They produce melanin

• They act as sensory receptors

• They are part of the immune response

• They produce keratin

Which gland is responsible for producing oil in the skin?

• Sweat gland

• Sebaceous gland

• Endocrine gland

• Salivary gland

What is the main protein found in hair and nails?

• Collagen

• Elastin

• Keratin

• Myosin

What is the role of the hypodermis in the integumentary system?

• It provides a protective barrier

• It stores fat and insulates the body

• It produces sweat

• It synthesizes vitamin D