The cards Question What does the nervous system do? Tap to flip Answer It detects changes in the internal or external environment and coordinates a response to them. Question What is a stimulus? Tap to flip Answer A change in the environment, such as a sound, a touch or light. Question What is the role of a receptor? Tap to flip Answer It senses a change in the environment, such as a change in light or temperature. Question What is an effector? Tap to flip Answer A muscle or gland that carries out a response. Question What is a neurone? Tap to flip Answer A nerve cell that transmits electrical impulses between different parts of the body. Question Into which two parts is the human nervous system divided? Tap to flip Answer The central nervous system (CNS) and the peripheral nervous system (PNS). Question In what two forms can receptors occur? Tap to flip Answer As single cells (e.g. in the skin) or as groups of cells in sense organs (e.g. the eye). Question What do sensory neurones connect? Tap to flip Answer Receptors to the central nervous system (CNS). Question What do motor neurones connect? Tap to flip Answer The central nervous system (CNS) to effectors, which carry out the response. Question Give one structure that neurones have in common. Tap to flip Answer For example the cell body or the axon. Question What is the axon of a neurone? Tap to flip Answer The part of the neurone that carries the signal. Question What is the myelin sheath? Tap to flip Answer A fatty coating on some neurones that insulates them. Question What effect does a myelin sheath have on a nerve impulse? Tap to flip Answer It increases the speed of the impulse. Question What is a synapse? Tap to flip Answer The junction (gap) between two neurones. Question What is a neurotransmitter? Tap to flip Answer A chemical that crosses a synapse and triggers the onward response. Question How do neurotransmitters get across a synapse? Tap to flip Answer They diffuse across the gap to receptors on the next neurone. Question What is reaction time? Tap to flip Answer The time taken to react to an event. Question Give one simple way to measure human reaction time. Tap to flip Answer For example, timing how long it takes to catch a ruler after it is dropped. Question What is a scientific prediction? Tap to flip Answer A testable statement about a possible outcome of an experiment. Question What is a reflex response? Tap to flip Answer An involuntary, fast neural response to a situation. Question What does 'involuntary' mean? Tap to flip Answer Happening without you realising or controlling it. Question What is a reflex arc? Tap to flip Answer The fixed neural pathway that controls a reflex response. Question What is a relay neurone? Tap to flip Answer An intermediate neurone that sits within the central nervous system. Question Do reflex responses involve a processing centre in the CNS, such as the brain? Tap to flip Answer No. Question In a reflex arc, which neurone does the impulse pass to from the sensory neurone? Tap to flip Answer A relay neurone in the CNS, across a synapse. Question In a reflex arc, which neurone does the impulse pass to from the relay neurone? Tap to flip Answer A motor neurone, across a synapse. Question Can the brain ever change a reflex response? Tap to flip Answer Yes, sometimes it can modify (e.g. stop) it through a neurone to the motor neurone of the reflex arc. Question Why are reflex responses important to many organisms? Tap to flip Answer They are essential to their survival. Question What does the eye, as a sense organ, detect? Tap to flip Answer Light. Question What is refraction? Tap to flip Answer A change in direction of light when it travels from one transparent medium into another. Question What is a focal point? Tap to flip Answer The point where rays of light meet after passing through a lens. Question What does the lens of the eye do? Tap to flip Answer It brings light rays to a focus on the retina. Question Both the cornea and the lens refract light. Which of the two can focus light? Tap to flip Answer Only the lens. Question Which part of the eye controls how much light enters through the pupil? Tap to flip Answer The iris, which expands and contracts as a reflex response. Question What does the retina, at the back of the eye, sense? Tap to flip Answer Light brightness and colour. Question What is the human brain made of? Tap to flip Answer Billions of neurones. Question What role does the brain play in the nervous system? Tap to flip Answer It acts as the processing centre. Question Which part of the brain is responsible for conscious thoughts and responses? Tap to flip Answer The cerebral cortex. Question Which part of the brain is responsible for conscious movement? Tap to flip Answer The cerebellum. Question Which part of the brain is responsible for unconscious control of the body? Tap to flip Answer The brain stem. Where this deck sits in the curriculum Curriculum National Curriculum for England Stage GCSE (Years 10–11) Course GCSE Biology Unit Coordination and control: the human nervous system Exam boards AQA, Edexcel, OCR Tiers foundation and higher England's National Curriculum sets what is taught; the units and their order are Oak National Academy's. Flash Feed is not affiliated with Oak or any exam board.
How this deck was checked On 2026-11-02, every card was compared with its source: the lessons of Oak National Academy, a public body funded by England's Department for Education that publishes lessons for the national curriculum. Because the cards come from those lessons, no second source was sought. The comparison was done automatically, not by a teacher, so a card can still be wrong. Flash Feed is not affiliated with any source named here.
Sources Total: 7 · primary: 7 · second publisher: 0
Show the other sources (5) Found a mistake? Write to support@flashfeed.app .
A Biology lesson by Oak National Academy licensed under Open Government Licence (OGL)
Flash Feed