Matching Pairs Game of page 128Online version a very fun game to play by Mariana Menezes 1 2 3 4 Dopamine 5 6 7 8 9 10 11 Norepinephrine (excitatory) - increases heart contractions, blood flow and oxygen to muscles and brain. Endocannabinoids (inhibitory) - communication between body and brain. Endocannabinoids (inhibitory) - complex thinking. dopamine (excitatory) - attention, focus, memory and problem solving. dopamine (excitatory) - feelings of enjoyment or pleasure. Endocannabinoids (inhibitory) - balance, coordination. serotonin (inhibitory) - appropriate functioning of the digestive system. serotonin (inhibitory) - feelling calm, relaxed, balanced. Endocannabinoids (Inhibitory) - emotions, feelings, of fear and anxiety; any feeling. dopamine (excitatory) - coordinated, fluid movement Epinephrine (excitatory) - increases energy production by stumbling the bread down of starches.