She died of sepsis from a ruptured intestine. ( 1 CNN)Actress Patty Duke died Tuesday as a result of sepsis from a ruptured intestine, according to Mitchell K. Stubbs & Associates, the agency that represented her. She was 69.
How Your Brain Works. The basic lower brain consists of the spinal cord, brain stem and diencephalon (the cerebellum and cortex are also present, but will be discussed in later sections). In turn, the brain stem comprises the medulla, pons, midbrain, hypothalamus and thalamus [source: Health Pages].
The Cerebrum is the upper part of the brain and is arranged in two hemispheres called cerebral hemispheres. The cerebrum is thought to control conscious mental processes. The outer layer of the cerebrum is called gray matter, the inner portion, white matter.