Ben and His Friends Are at a Theme Park. They’re Waiting in a Que to Ride a Terrifying Roller Coaster. Ben Starts to Feel Sick and His Friends Become Hot and Sweaty. as He Moves Near the Front His Heart Pounding. After

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The autonomic nervous system is made up of two subsystems, the sympathetic nervous system and the parasympathetic nervous system. The systems transmit messages to and from organs in the body. They also control the basic life processes such as breathing and digestion. The adrenal glands are controlled by the endocrine system. Adrenal glands release the hormone adrenaline into the body. In Ben and his friends case they started to feel sick and sweaty due to the sympathetic nervous system. The boys were nervous and scared about going on the ride. Their bodies were preparing for action, this is sometimes called the fight or flight response, which means they were getting ready to fight the danger or run from it. The reason they started to feel sick is because their bodies were diverting blood away from the stomach and using it for muscles and other organs. The reason they sweat is because of homeostasis and the need to maintain a stable body temperature as their bodies are preparing for action. Before and during the ride the adrenal glands, controlled by the endocrine system, would have kicked in. The adrenal glands secrete a fast acting hormone called adrenaline a hormone which is chemically similar to neurotransmitter. Adrenaline would also explain why the boys felt sick and sweaty because it has the same affect in a threatening situation as the sympathetic nervous system. After the ride ben feels tired and thirsty. This is partly due to some of the adrenaline still in the blood stream because they take longer to disappear. Ben feels tired because his brain and vital organs have been in a state of high alert. This uses lots of energy and resources which is why he would have felt so tired. The reason he has a dry mouth is because of the sympathetic nervous system. It inhibited his salivation production to save resources and prepare his body for

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