The importance of the sense organs

In this topic

• Why we need the sense organs
• The analyser — I. P. Pavlov's idea
• Receptors and their kinds
• Properties of sensation, illusions and looking after the senses

Key terms

• Sense organ
• Analyser
• Receptor
• Peripheral part
• Conducting part
• Central part
• Exteroceptor
• Interoceptor
• Proprioceptor
• Adequate stimulus
• Threshold
• Adaptation

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