Nervous Tissue NERVOUS TISSUE Description n Nerve cells

Nervous Tissue

NERVOUS TISSUE Description: n Nerve cells (neurons) receive and conduct impulses; have long extensions/processes n Neuroglia = supporting cells; “nerve glue” Function: n Irritability (sense information) n Conductivity (transmit information) Location: n Brain, spinal cord, nerves

NERVOUS TISSUE

Muscular Tissue

MUSCLE TISSUE General Function: n Contract to produce movement

MUSCLE TISSUE TERMS n Voluntary or Involuntary (conscious control) or (happens unconsciously) n Striated or Non-striated (stripes) or (no stripes) n Uni-nucleated (one nucleus) cell) or Multi-nucleated or (many nuclei per each

MUSCLE TISSUE 3 types!

Skeletal Muscle Description: n Attached to skeleton, pulls on bones or skin n Voluntary, striated, multi-nucleated Function: n Body movement and facial expression Location: n Attached to bones

MUSCLE TISSUE Skeletal Muscle

Cardiac Muscle Description: n Makes up the heart n Involuntary, striated, uni-nucleated Function: n Pumps blood through blood vessels Location: n Heart

MUSCLE TISSUE Cardiac Muscle

Smooth Muscle Description: n Spindle-shaped cells n Involuntary, non-striated, uni-nucleated Function: n Pushes substances through organs Location: n Walls of hollow organs (stomach, intestines, bladder)

MUSCLE TISSUE Smooth Muscle