12 Questions
What is the primary function of the integumentary system?
To separate the body from the external environment
What is the role of the skin in temperature regulation?
It modulates blood flow through the skin and sweat gland activity
What is the function of the skin that allows it to act as a sense organ?
It has sensory receptors that can detect heat, cold, touch, pressure, and pain
What is the role of the skin in excretion?
It excretes small amounts of waste products, such as urea and uric acid
What is the result of the skin's exposure to ultraviolet light?
It produces vitamin D
How many layers does the skin consist of?
Three layers
What is the primary function of the outer layer of dead, hard cells in the epidermis?
To resist abrasion and form a permeability barrier
What is the process called when keratinocytes accumulate keratin and eventually die?
Keratinization
What is the main function of melanocytes in the epidermis?
To protect against ultraviolet light
What is the deepest layer of the epidermis?
Stratum Basale
What is the primary cell type in the epidermis?
Keratinocytes
How do cells in the epidermis receive nutrients and excrete waste products?
Through the process of diffusion
Learn about the major functions of the integumentary system, including protection, regulation, and sensation. Understand how it interacts with the external environment and maintains homeostasis.
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