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| 7696069990 | Nervous System | The body's fast electrical communication system made up of neurotransmitters and neurons. | 0 | |
| 7696069991 | Central Nervous System | Nervous system made up of the brain and spinal cord | 1 | |
| 7696076141 | Peripheral Nervous System | Nervous system made up of nerves extending from the spinal cord that allow for control over the rest of the body | 2 | |
| 7696076142 | Somatic Nervous System | Nervous system that controls VOLUNTARY movements like walking and jumping | 3 | |
| 7696078236 | Autonomic Nervous System | Nervous system that controls INVOLUNTARY movements and responses like heartbeat and emotional reactions | 4 | |
| 7696078237 | Sympathetic Nervous System | Nervous system that prepares the body for mind and action, increases arousal and alertness. Increases blood flow, respiration, and heartbeat. | 5 | |
| 7696087297 | Parasympathetic Nervous System | Nervous system that calms and relaxes the mind and body, decreases arousal and alertness. Decreases blood flow, respiration, and heartbeat | 6 | |
| 7696093401 | Neuroscience | The study of the brain and nervous system and how it creates our mind and experiences. | 7 | |
| 7696116382 | Neurogenesis | 8 | ||
| 7696093402 | Neuron | Cell of the nervous system. Sends electrical messages throughout the body. | 9 | |
| 7696116383 | Neural Network | A system of interconnected neurons. Responsible for our intelligence, problem solving, and memory. | 10 | |
| 7696093403 | Sensory Neuron | Type of neuron that sends information from sense organs (eyes, ears, nose) to the brain. | 11 | |
| 7696096533 | Interneuron | Type of neuron located only within the brain and spinal cord. These bad boys make up your central nervous system. | 12 | |
| 7696096534 | Motor Neuron | Type of neuron that sends messages from the brain and to our muscles so that we can move. | 13 | |
| 7696122585 | Dendrites | Part of the neuron that receives messsages from other neurons. The listener. | 14 | |
| 7696124988 | Soma | Part of the neuron that maintains the neurons health. The doctor. | 15 | |
| 7696124989 | Axon | Part of the neuron that sends electrical messages to other neurons. The speaker. | 16 | |
| 7696124990 | Myelin Sheath | Part of the neuron located on the axon. Speeds up neural impulses allowing for a faster nervous system. How exciting! | 17 | |
| 7696170869 | Multiple Sclerosis | Disease of the nervous system caused by deterioration or damage to the myelin sheath | 18 | |
| 7696130449 | Synapse | Gap between the dendrites of one neuron and the axon of another. Neurotransmitters be up in here, up in here. | 19 | |
| 7696130450 | Neurotransmitters | Chemicals that carry messages across the synapse and influence of moods and emotions. | 20 | |
| 7696135024 | Excitatory Neurotransmitters | Chemicals in the synapse that stimulate the neuron into firing (neural impulse). | 21 | |
| 7696137169 | Inhibitory Neurotransmitters | Chemicals in the synapse that prevent the neuron from firing (neural impulse) | 22 | |
| 7696140373 | Reuptake | Process by which a neurotransmitter fails to find its receptor and returns to it's sending neuron. | 23 | |
| 7696148027 | Agonist | A drug that mimics a neurotransmitter | 24 | |
| 7696148028 | Antagonist | A drug that block the receptor site for a neurotransmitter | 25 | |
| 7696153968 | Resting Potential | When a neuron is capable of firing, but needs a stimulus | 26 | |
| 7696153969 | Depolarization | The mixing of negative and positive ions within the axon. Creates an action potential or neural impulse. | 27 | |
| 7696156405 | Threshold | The amount of stimulation a neuron needs to go from resting potential to action potential. | 28 | |
| 7696156406 | Action Potential | The state of a neuron as it is firing | 29 | |
| 7696159228 | All-or-Nothing Response | The tendency of neuron to fire at full strength or not fire at all. | 30 | |
| 7696159229 | Unidirectionality | The tendency of a neural impulse to go in one direction, from dendrites to axon. | 31 | |
| 7696162134 | Refractory Period | The phase of a neuron in which it is recharging after having just fired | 32 | |
| 7696162135 | Polarization | The separating of negative ions from positive ions as they're pumped out of the axon | 33 | |
| 7696173938 | Acetylcholine | Controls muscle movement | 34 | |
| 7696176510 | Alzheimer's Disease | Disease caused by low amounts of acetylcholine. Problems with memory and attention | 35 | |
| 7696179664 | Endorphins | Powerful neurotransmitter that kills pain and create euphoria (pleasure). | 36 | |
| 7696179665 | Dopamine | Neurotransmitter involved in learning and attention. Acts as the brain's reward chemical when you achieve a task. | 37 | |
| 7696183293 | Schizophrenia | Disease caused by high amounts of dopamine. Lots of dopamine, lots of voices in your head | 38 | |
| 7696183294 | Parkinson's Disease | Disease caused by low amounts of dopamine. Effects movement of the body. | 39 | |
| 7696192404 | Epinephrine / Nor-epinephrine | Hormone that activates the sympathetic nervous system creating alertness and arousal. Produced by the adrenal gland. | 40 | |
| 7696192405 | Adrenal Gland | Gland in the body that produces epinephrine | 41 | |
| 7696195624 | GABA | Primary inhibitory neurotransmitter. Prevents a neurons from firing | 42 | |
| 7696195625 | Glutamate | Primary excitatory neurotransmitter. Encourages a neuron to fire | 43 | |
| 7696201059 | Epilepsy | Disease caused by too much Glutamate or too little GABA, which causes neurons to be overactive creating seizures. | 44 | |
| 7696201060 | Serotonin | Involved in mood, sleep, and learning. Anti-depressants change how this neurotransmitter functions. | 45 | |
| 7696205689 | Depression | Disease caused by dysfunctional serotonin activity in the synapse. Lack of motivation and loss of happiness. | 46 | |
| 7696210795 | Endocrine System | Body's slow chemical communication system using hormones travelling through the bloodstream | 47 | |
| 7696210796 | Hormone | Chemicals released by glands in the endocrine system that affect physical and sexual development as well as emotions. | 48 | |
| 7696214550 | Pituitary Gland | La jefa de la systema endocrine. Tells glands to when and how much of a hormone to release. | 49 | |
| 7696216259 | Hypothalamus | 50 |
