What connects the brain and spinal cord to the rest of the body

The Brain Stem connects the spinal cord to the brain.

The brain stem connects the brain with the spinal cord. It controls hunger and thirst and some of the most basic body functions, such as body temperature, blood pressure, and breathing. The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges.

Size and shape of continents

Predator instincts is what causes it