Muscle Tissue I
What is muscle tissue made up of?
Muscle Fibers
Inside a muscle fiber are multiple?
Myofibrils
The main muscle doing the work.
Agonist
Calcium allows changes to occur so the _______ heads can bind.
Myosin
Where is the Cardiac Muscle found?
Heart
Extensibility
Each myofibril has sections that repeat.
Sarcomeres
When a neuron stimulates a muscle, it can trigger a release of ____________.
Calcium
What do you find at the ends of fibers?
Intercalated discs
Muscle tissues can retract back to its strength.
Elasticity
Myosin makes up ___________ filaments.
Thick
Heads
What do smooth muscles not have?
Striations
The part that attaches to a fixed part of the bone.
Origin
Z lines are where a ________ ends.
Sarcomeres
The thick and thin filaments _______ past each other.
Slide
What is the skeletal muscle attached to?
Bone or Skin
The part that attaches to the bone that will be moved.
Insertion