The cell bodies of Betz cells are found in the A) premotor ...

[HudsonKB16]

The cell bodies of Betz cells are found in the
 
  A) premotor cortex.
  B) primary motor cortex.
  C) supplementary motor cortex.
  D) cerebellum.
  E) basal ganglia.

Question 2

Signals from the left primary motor cortex descend through the spinal cord white matter in one of
 
  A) three major tracts.
  B) four major tracts.
  C) five major tracts.
  D) six major tracts.
  E) eight major tracts.

[jessicaduplan]

Answer to Question 1

Answer: B

Answer to Question 2

Answer: B

[HudsonKB16]

Excellent

[nyrave]

Gracias!