Any toxic substance that can cross the placenta and cause birth defects is a teratogen

The whole point of using one of the various experimental designs is to

a. create equivalent groups of subjects b. randomize the alpha error c. prevent any sampling error d. prevent any possibility of alpha error

An important function of the corpus callosum is to

A) channel sensory information to the thalamic relay centers. B) control the movement of the hands and fingers. C) interconnect the cerebral hemispheres. D) control the release of neurohormones from the pituitary. E) channel motor information to the spinal cord.