The sympathetic nervous system is responsible for changes in the body in stress or emergency situations. This leaves the individual on alert, ready for fight and flight reactions.
Since Teddy is terrified of needles, taking a shot is a very stressful time for him, so when he finds himself facing a needle in the syringe, his sympathetic nervous system is activated and his body goes into a fight and flight state, so , he begins to have reactions such as shouting and shaking his arms and legs wildly. In addition his heart rate increases and he begins to sweat profusely.
Phloem is a vascular tissue which helps in the transportation of sugars from the source tissue( where it is formed). The carbohydrates or sugars are transported from the chloroplast of the plant to the other parts of the plant. Other molecules along with carbohydrates are also transported with the help of phloem.
