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.
Physical Characteristics. The green tree snake varies in colour. While most are green, they can also be coloured brown or black. They have a yellow throat, but beyond the throat, the underside can be blue, green, gray, brown, or remain yellow.reen tree snakes are in elevated arboreal settings most of the time, but can also be found on the ground. When they are near water sources, they prefer to stay hidden in long grass or other growth. This not only affords them some protection, but it is a good area to find prey.