Here are some surprising âfight-or-fightâ triggers to avoid. As a species, we are tribal people, so from a survival perspective, being alone too much can signal the amygdala to trigger stress responses.
The spinal cord is connected to the brain by the brain stem. The medulla oblongata connects the spinal cord to other structures in the brain stem and the brain proper. The brain stem is responsible for some the most basic processes of survival, including the control of hunger, thirst, blood pressure, body temperature and breathing. Continue Reading.
Brain Stem. The brain stem is part of the hindbrain and connects the brain to the spinal cord. It controls various vital functions such as blood pressure, breathing and heart rate. Nerve impulses to and from the cerebellum and the cerebrum must travel through the brain stem.