Answer:
The foramen magnum, the opening through which the brain and the spinal cord make connection, is in the lowest part of the fossa.
Answer:
Roughly around 250,000 to 500,000 WORLDWIDE
But in the U.S alone about 3,000 to 49,000 (from 1976- 2006)
Answer:
It's related to the Thymus
Explanation:
Usually it starts there.
In his theory of Cognitive development, Jean Piaget proposed that humans progress through four developmental stages: the sensorimotor, preoperational, concrete operational and formal operational period.
