IN A CONCENTRIC CONTRACTION THE MUSCLE LENGTH  ________________

A SARACOMERE IS FROM WHAT TO WHAT?

A negative reinforcer____________________ the behavior it follows. 

Thorndike conducted experiments where he would put cats into different puzzle boxes.  Tell me (a) what happened as the cats were repeatedly placed into the puzzle box and b) how these experiments showed what Thorndike called the law of effect.  Label your response a) and b).

WHICH MUSCLE HAS INTERCALLEATED DISCS?

SMOOTH MUSCLES ARE FOUND IN THE__________

WHAT TYPE OF FIBERS DOES THIS DESCRIBE?  –Majority of skeletal muscle fibers –Contract very quickly –Large diameter –Large glycogen reserves –Few mitochondria –Produce strong contractions, but fatigue quickly

A negative reinforcer____________________ the behavior it follows. 

THE ADVANTAVE OF HAVING ONLY  A FEW MOTOR UNITS PER MOTOR UNIT IS___________?

Which of the following is an unconditioned response?