: A tough connective tissue layer containing blood vessels, nerves, and glands.
: Specialized for communication via electrical signals. 2. Specialized Organ Layers tissue layer
Several major organ systems are characterized by specific tissue layer arrangements: The skin consists of three primary layers: : A tough connective tissue layer containing blood
: Binds, supports, and protects. Examples include bone, blood, and the dermis layer of the skin. and protects. Examples include bone