In a car accident, a person sustained major trauma to his brain and the spinal cord region of his neck. Damage, in this case, was mainly to areas of which nervous system?

Some teratogens have a threshold effect whereby they are virtually harmless until exposure reaches a certain level

Indicate whether this statement is true or false.

The phenomenon in which people typically cannot recall any events from before the age of three is called ________

Fill in the blank with the appropriate word.