Coordination And Response
Bayani Gaba-gaba
Touch something hot and your hand pulls away before you even feel the pain. That split-second response is your nervous system at work, sending electrical signals faster than you can think. It is the system that keeps all the parts of your body working together.
In this lesson you will learn how the nervous system is organised into a central and a peripheral part, meet the three kinds of neurone, and trace a reflex arc from stimulus to response. You will also discover how signals jump the gap between neurones at a junction called a synapse.
Manufura
- State that electrical impulses travel along neurones
- Describe the mammalian nervous system in terms of: (a) the central nervous system (CNS) consisting of the brain and the spinal cord (b) the peripheral nervous system (PNS) consisting of the nerves outside of the brain and spinal cord
- Describe the role of the nervous system as coordination and regulation of body functions
- Identify in diagrams and images sensory, relay and motor neurones
- Describe a simple reflex arc in terms of: receptor, sensory neurone, relay neurone, motor neurone and effector
- Describe a reflex action as a means of automatically and rapidly integrating and coordinating stimuli with the responses of effectors (muscles and glands)
- Describe a synapse as a junction between two neurones
- [Supplement] Describe the structure of a synapse, including the presence of vesicles containing neurotransmitter molecules, the synaptic gap and receptor proteins
- [Supplement] Describe the events at a synapse as: (a) an impulse stimulates the release of neurotransmitter molecules from vesicles into the synaptic gap (b) t he neurotransmitter molecules diffuse across the gap (c) n eurotransmitter molecules bind with receptor proteins on the next neurone (d) an impulse is then stimulated in the next neurone
- [Supplement] State that synapses ensure that impulses travel in one direction only
Takardar Darasi
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Nazarin Darasi
Barka da kammala darasi akan Coordination And Response. Yanzu da kuka bincika mahimman raayoyi da raayoyi, lokaci yayi da zaku gwada ilimin ku. Wannan sashe yana ba da ayyuka iri-iri Tambayoyin da aka tsara don ƙarfafa fahimtar ku da kuma taimaka muku auna fahimtar ku game da kayan.
Za ka gamu da haɗe-haɗen nau'ikan tambayoyi, ciki har da tambayoyin zaɓi da yawa, tambayoyin gajeren amsa, da tambayoyin rubutu. Kowace tambaya an ƙirƙira ta da kyau don auna fannoni daban-daban na iliminka da ƙwarewar tunani mai zurfi.
Yi wannan ɓangaren na kimantawa a matsayin wata dama don ƙarfafa fahimtarka kan batun kuma don gano duk wani yanki da kake buƙatar ƙarin karatu. Kada ka yanke ƙauna da duk wani ƙalubale da ka fuskanta; maimakon haka, ka kallesu a matsayin damar haɓaka da ingantawa.
- The central nervous system consists of the: A. brain and nerves B. brain and spinal cord C. spinal cord and nerves D. nerves only Answer: B
- Which neurone carries impulses from a receptor to the CNS? A. motor neurone B. relay neurone C. sensory neurone D. effector Answer: C
- The correct order of a simple reflex arc is: A. receptor, motor neurone, relay neurone, sensory neurone, effector B. receptor, sensory neurone, relay neurone, motor neurone, effector C. effector, motor neurone, relay neurone, sensory neurone, receptor D. receptor, relay neurone, sensory neurone, motor neurone, effector Answer: B
- A synapse is best described as: A. a type of neurone B. a junction between two neurones C. a muscle D. a sense organ Answer: B
- At a synapse, the chemical that diffuses across the gap is called the: A. receptor protein B. vesicle C. neurotransmitter D. impulse Answer: C
Akwai a cikin manhajar Green Bridge
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Akwai a cikin manhajar Green Bridge
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