| The biological system that allows animals to coordinate their behavior and respond to changes in the environment. | Nervous System |
| What does the nervous system allow animals to do? | The nervous system allows animals to coordinate their behavior and respond to changes in the environment. |
| Cells that detect changes in the environment, also known as stimuli. | Receptors |
| What are receptors? | Receptors are cells that detect changes in the environment, also known as stimuli. |
| A change in the environment detected by receptors. | Stimulus |
| What is a stimulus? | A change in the environment detected by receptors. |
| Neurons that receive information about different stimuli from receptors. | Sensory Neurons |
| What is the role of sensory neurons? | Sensory neurons receive information about different stimuli from receptors. |
| Cells that carry information around the body as electrical impulses. | Neurons |
| What are neurons? | Neurons are cells that carry information around the body as electrical impulses. |
| Signals carried by neurons, used to transmit information throughout the nervous system. | Electrical Impulses |
| How is information carried by neurons? | Information is carried by neurons as electrical impulses. |
| A system of interconnected cells or structures. | Network |
| What is the nervous system made up of? | The nervous system is made up of a network of different cells. |
| The part of the nervous system comprising the brain and spinal cord, responsible for receiving, processing, and transmitting information. | Central Nervous System (CNS) |
| What does the central nervous system (CNS) consist of? | The CNS consists of the brain and spinal cord. |
| Neurons that carry information about different stimuli to the CNS. | Sensory Neurons |
| What is the role of sensory neurons? | Sensory neurons carry information about different stimuli to the CNS. |
| The act of analyzing and interpreting information received by the CNS. | Processing |
| What does the CNS do with the information received from sensory neurons? | The CNS processes the information received from sensory neurons. |
| Electrical signals transmitted within the nervous system to convey information. | Impulses |
| How does the CNS enable the body to respond to stimuli? | The CNS sends impulses to effectors, allowing the body to respond to stimuli. |
| Neurons that transmit impulses from the CNS to effectors such as muscles or glands. | Motor Neurons |
| What type of neurons transmit impulses from the CNS to effectors? | Motor neurons transmit impulses from the CNS to effectors. |
| Muscles or glands that respond to impulses from the CNS by contracting or releasing hormones. | Effectors |
| What are examples of effectors? | Effectors can be muscles, which respond by contracting to cause movement, or glands, which respond by releasing hormones. |
| Cells that transmit information as electrical impulses within the nervous system. | Neurons |
| What are neurons? | Neurons are cells that transmit information as electrical impulses within the nervous system. |
| Neurons that carry impulses from receptors to the central nervous system (CNS). | Sensory Neurons |
| What do sensory neurons do? | Sensory neurons carry impulses from receptors to the central nervous system (CNS). |
| Neurons that carry impulses within the central nervous system (CNS) and connect sensory neurons to motor neurons. | Relay Neurons |
| What is the role of relay neurons? | Relay neurons carry impulses within the central nervous system (CNS) and connect sensory neurons to motor neurons. |
| Neurons that carry impulses from the central nervous system (CNS) to effectors. | Motor Neurons |
| What do motor neurons do? | Motor neurons carry impulses from the central nervous system (CNS) to effectors. |
| A long fiber of a neuron that carries electrical impulses across long distances. | Axon |
| What is an axon? | An axon is a long fiber of a neuron that carries electrical impulses across long distances. |
| A fatty insulating layer that surrounds the axon of some neurons, speeding up the transmission of electrical impulses. | Myelin Sheath |
| What is the function of the myelin sheath? | The myelin sheath insulates the axon of neurons, speeding up the transmission of electrical impulses. |
| Tiny branches of a neuron that receive impulses from other neurons. | Dendrons |
| What are dendrons? | Dendrons are tiny branches of a neuron that receive impulses from other neurons. |
| The arrangement and organization of parts within a system or entity. | Structure |
| What do sensory neurons, relay neurons, and motor neurons have in common in terms of structure? | They all have a long axon for carrying electrical impulses, a myelin sheath for insulation, and dendrons for receiving impulses from other neurons. |
| A small gap between neurons where communication occurs. Electrical impulses can't cross this. | Synapse |
| What is a synapse? | A synapse is a small gap between neurons where communication occurs. |
| Cells that transmit information as electrical impulses within the nervous system. | Neurons |
| What are neurons? | Neurons are cells that transmit information as electrical impulses within the nervous system. |
| Signals carried by neurons, used to transmit information throughout the nervous system. | Electrical Impulses |
| How is information transmitted across synapses? | Information is transmitted across synapses by chemical neurotransmitters. |
| Chemicals that can carry information across synapses between neurons. | Neurotransmitters |
| What are neurotransmitters? | Neurotransmitters are chemicals that carry information across synapses between neurons. |
| Proteins on the surface of neurons that bind to neurotransmitters, initiating a response in the receiving neuron. | Receptors |
| What are receptors? | Receptors are proteins on the surface of neurons that bind to neurotransmitters, initiating a response in the receiving neuron. |
| The movement of molecules from an area of higher concentration to an area of lower concentration. | Diffusion |
| How do neurotransmitters transmit information across synapses? | Neurotransmitters diffuse across the synapse and bind to receptors on the other neuron, stimulating an electrical impulse in the receiving neuron. |
