Nervous Tissue
NERVOUS TISSUE Description: Nerve cells (neurons) receive and conduct impulses; have long extensions/processes Neuroglia = supporting cells; “nerve glue” Function: Irritability (sense information) Conductivity (transmit information) Location: Brain, spinal cord, nerves
NERVOUS TISSUE
Muscular Tissue
MUSCLE TISSUE General Function: Contract to produce movement
MUSCLE TISSUE TERMS Voluntary or Involuntary Striated or Non-striated (conscious control) or (happens unconsciously) Striated or Non-striated (stripes) or (no stripes) Uni-nucleated or Multi-nucleated (one nucleus) or (many nuclei per each cell)
MUSCLE TISSUE 3 types!
Skeletal Muscle Description: Attached to skeleton, pulls on bones or skin Voluntary, striated, multi-nucleated Function: Body movement and facial expression Location: Attached to bones
MUSCLE TISSUE Skeletal Muscle
Cardiac Muscle Description: Makes up the heart Involuntary, striated, uni-nucleated Function: Pumps blood through blood vessels Location: Heart
MUSCLE TISSUE Cardiac Muscle
Smooth Muscle Description: Spindle-shaped cells Involuntary, non-striated, uni-nucleated Function: Pushes substances through organs Location: Walls of hollow organs (stomach, intestines, bladder)
MUSCLE TISSUE Smooth Muscle