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The Amazing Human Body
Transcript of The Amazing Human Body
Tissues - General Concepts
Smallest structural - functional and conscious unit of life
Cells that are similar in structure and function.
The study of tissues.
sheet of cells that covers body surface or lines a body cavity.
of layers and
of the cell
simple columnar but varies in height
cells with the ability to slide one another
to allow the organ to stretch.
tissue that connects, supports, binds, or separates other tissues or organs, typically having relatively few cells embedded in an amorphous matrix, often with collagen or other fibers, and including cartilaginous, fatty, and elastic tissues.
Highly specialize tissue, made up of neuroglia and neurons.
highly specialize cell in receiving stimuli and generate electrical signals.
supports and protect neurons.
highly specialized in contract and produce body movement.
SKIN (Integumentary System)
The Integumentary System
avascular, keratinized stratified squamous epithelium.
sensitive connective tissue layer of the skin located below the epidermis, containing nerve endings, sweat and sebaceous glands, and blood and lymph vessels
microscopic glands in the skin that secrete an oily/waxy matter, called sebum, to lubricate and waterproof the skin and hair of mammals
small tubular structures of the skin that produce sweat
3. Hair follicle
4. Hair root
5. Hair shaft
smooth muscle fibres which attach to several follicles, control by autonomic nervous system
Supported by connective tissue (basement membrane)
Avascularity, but innervated