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21 Cards in this Set

  • Front
  • Back
Describe Skeletal muscle;
Controlled voluntarily, Attached to connective tissue, Striated, >1 Nucleus.
Describe Cardiac muscle;
Only in the heart, Involuntarily pump blood, Striated, One nucleus, Intercalieted.
Describe Smooth Muscle;
Involuntary, Surrounds hollow organs, Attached to other muscle cells, No visible striations, One nucleus.
Describe Nervous Tissue;
Neurons & nerve support cells, Function; send impulses to other areas of the body (Irritability, Conductivity)
What is Regeneration?
Replacement of destroyed tissue by the same kind of cells.
What is Scar Tissue?
Repair by dense fibrous connective tissue.
What happens to the capillaries during tissue repair?
They become very permeable, clotting proteins are introduced, a fibrin mesh walls off the injured area.
What tissue makes up most of the body weight?
Muscle Tissue
What causes bones to move?
Contraction of muscle tissue.
What are the contractile elements of muscle fibers?
Myofibrils
What accounts for the striation of skeletal muscle?
Myofilaments (actin & myosin)
Name the muscles of the neck?
Sternocleidomastoid & Trapezius
Name the muscle of the shoulder?
Pectoral girdle
Name the muscles of the arm?
Biceps & triceps
Name the muscle of the thigh?
Illiopsoas & Gluteus maxima
Name the muscle of the lower leg?
Quadriceps femoris group & hamstring group
Name the muscle of the ankle & foot?
Gastrecnemius (plantar flexion), Tibialis anterior (orsiflexion of the foot), Flexor & Extensor digitorum (moves toes & feet)
What is a isotonic Contraction?
Shortening
What is a isometric contraction?
Lengthening
What ion & cellular component is responsible for muscle contraction?
Ca+ & ATP
What is a sarcomere?
Unit of contraction of the myofibrils of a muscle cell, made of protein filaments arranged between two Z disks.