What system is the body's outermost protective layer?
Integumentary
What is the integumentary system's primary function?
It acts as a physical barrier.
The body has how many layers of skin?
Three
What is the largest organ in the body?
The skin.
What part of the integumentary system provides insulation for the skin?
Hair
What protects the tips of the fingers and toes?
Nails
What secrete sweat and sebum?
Glands
What are sensory receptors in the skin that detect stimuli?
Nerves
What does the integumentary system offer against viruses, radiation, and injury?
Protection
What does the integumentary system regulate by sweating?
Temperature
What does the integumentary system synthesize when it is exposed to sunlight?
Vitamin D
What does the integumentary system maintain by preventing fluid loss or by sweating?
Fluid Balance
What do sweat glands do in addition to releasing water and salt?
Waste Excretion
What system is the body's internal support structure?
Skeletal
What are the divisions of the skeletal system?
Axial and appendicular
What is the basic key function of the skeletal system?
Support and shape
