Along with the increase in heart rate, adrenaline also gives you a surge of energy -- which you might need to run away from a dangerous situation -- and also focuses your attention. Norepinephrine. What It Is: A hormone similar to adrenaline, released from the adrenal glands and also from the brain, says Sood.What It Does: The primary role of norepinephrine, like adrenaline, is arousal, says Sood. When you are stressed, you become more aware, awake, focused, he says.You are just generally more responsive..long with the increase in heart rate, adrenaline also gives you a surge of energy -- which you might need to run away from a dangerous situation -- and also focuses your attention. Norepinephrine. What It Is: A hormone similar to adrenaline, released from the adrenal glands and also from the brain, says Sood.
Smooth green snake. The smooth greensnake (Opheodrys vernalis) is a nonvenomous North American colubrid. It is also referred to as the grass snake. It is a slender, small medium snake that measures 36â51 cm (14â20 in) as an adult.
Rough Green Snake (Opheodrys aestivus) Photos by J.D. Willson unless otherwise noted Description: Rough Green Snakes are fairly long â to 32 in (81 cm) â slender, bright green snakes with yellow or whitish bellies that spend much of their time climbing in vegetation.