Pine trees are all evergreens and possess needles as leaves and cones as part of their reproductive system. All pines are resinous Coniferous trees. Some Pine species grow as shrubs instead of trees.
How Fear Works. To produce the fight-or-flight response, the hypothalamus activates two systems: the sympathetic nervous system and the adrenal-cortical system. The sympathetic nervous system uses nerve pathways to initiate reactions in the body, and the adrenal-cortical system uses the bloodstream. The combined effects of these two systems are the fight-or-flight response. When the hypothalamus tells the sympathetic nervous system to kick into gear, the overall effect is that the body speeds up, tenses up and becomes generally very alert. If there's a burglar at the door, you're going to have to take action -- and fast.
Canât I Catch A Break? The adrenal glands, which are located over the kidneys, are responsible for the bodyâs (fight or flight) response. Their job is to regulate the bodyâs response during times of stress. One way they do this, is by releasing a hormone called Cortisol. This hormone acts as a âbufferâ to protect the body from the negative effects of stress.