Movement

Question 1

What does the Cerebellum do?

Answer 1

Coordinated movement, motor learning

Question 2

What does the Basal ganglia do?

Answer 2

Voluntary motor activity, learning
* Abnormalities associated with
Parkinson’s, Huntington’s, Tourette’s,
addiction, obsessive compulsive
disorder

Question 3

Neuromuscular junction

Answer 3

Connection between a neuron and a muscle cell
* Motor neurons release acetylcholine when excited
* Muscle cells have ionotropic acetylcholine
receptors
* Binding of ACh leads to depolarization and
muscle contraction

Question 4

Muscles

Answer 4

• Composed of muscle fibers
• Have actin (thin) and myosin (thick)
• Depolarization leads to myosin pulling on the
  actin
• Muscle contracts
  Movement