The Nervous System 0.0 / 5 ? BiologyNervous system, hormones and behaviourGCSEAQA Created by: HopeCreated on: 03-06-13 19:46 What are Sensory Neurons? Neurons that carry signals from receptors to the spinal cord and brain 1 of 12 What are Relay Neurons? Neurons that carry messages from one part of the CNS to another 2 of 12 What are Motor Neurons Neurons that carry signals from the CNS to the effectors 3 of 12 Recite simple reflex action Receptor>Sensory Neuron>Relay Neuron>Motor Neurone>Effector 4 of 12 What is a Synapse? A gap between neurons where the transmission of information is chemical rather than electrical 5 of 12 How do Synapses work? One neuron releases the chemical into the gap. Chemical diffuses across the gap and next neuron transmits electrical signal 6 of 12 What is Homeostasis? The maintenance of a constant internal environment 7 of 12 Where is FSH secreted? Pituitary Gland 8 of 12 Where is Oestrogen secreted? Ovaries 9 of 12 What does FSH do? Causes the egg to mature in the ovary and stimulates the ovaries to release oestrogen 10 of 12 What does Oestrogen do? Stops FSH being produced. Stimulates pituitary gland to reliease LH 11 of 12 What does LH do? Triggers ovulation 12 of 12
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