Integumentary System

The video explores the integumentary system, focusing on skin's role in protection, homeostasis, and sensory functions. It details the layers of the epidermis, dermis, and hypodermis, and discusses accessory structures like sweat glands and hair. The video also covers skin cancer types and burn classifications, emphasizing the importance of understanding skin's structure and functions.

What is the primary role of the skin in the integumentary system?

• To produce hormones

• To maintain internal body temperature and fluid balance

• To digest food

• To circulate blood

Which layer of the epidermis is responsible for producing keratinocytes?

• Stratum lucidum

• Stratum basale

• Stratum granulosum

• Stratum corneum

What is the function of melanocytes in the epidermis?

• To produce melanin

• To consume bacteria

• To provide elasticity

• To produce keratin

Which type of tissue is the dermis primarily composed of?

• Muscle tissue

• Nervous tissue

• Connective tissue

• Epithelial tissue

What is the main function of the hypodermis?

• To produce sweat

• To connect skin to bone and muscle

• To generate new skin cells

• To protect against UV rays

Which accessory structure helps in temperature regulation by producing oil?

• Sweat glands

• Sebaceous glands

• Nail roots

• Hair follicles

What type of burn affects both the epidermis and all of the dermis?

• Fourth-degree burn

• Second-degree burn

• First-degree burn

• Third-degree burn