Biology 0.0 / 5 ? BiologyNervous system, hormones and behaviourDecompositionPhotosynthesis and transpirationPlant responses- tropism & auxinEnzymes and digestionBlood- transfusionsDNA and inheritanceGCSEAQA Created by: greta234Created on: 13-10-15 16:55 What is the nervous System? The network of nerve cells and fibres which transmits nerve impulses between parts of the body. 1 of 7 what do neurons do when they are stimulated? Transmit impulses 2 of 7 What are axons surrounded by? A fatty sheath 3 of 7 What is a Synapse? The gap between two neurons 4 of 7 What is the pathway of a reflex arc? Receptor - sensory neuron - spinal cord - motor neuron - effector 5 of 7 How do drugs affect the nervous system? They change the transmission of impulses across synapses 6 of 7 What are the steps for the carbon cycle? 1) CO2 is removed from the atmosphere by plants by photosynthesis. 7 of 7
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