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Making sense of it all

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by

Harvey Buckle

on 17 November 2016

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Transcript of Making sense of it all

Aim
To know the function and structure of the:

Skin and...
Nose

receptors and the difference between sensors and effectors
Starter
An effector is any part of the body that produces the response. Here are some examples of effectors:
a muscle contracting to move the arm
a muscle squeezing saliva from the salivary gland
a gland releasing a hormone into the blood
Effectors
Receptors
Receptors are groups of specialised cells. They can detect changes in the environment, which are called stimuli, and turn them into electrical impulses. Receptors are often located in the sense organs, such as the ear, eye and skin. Each organ has receptors sensitive to particular kinds of stimulus.

Making sense of it all
17th November 2106
What happened to his body?
Next
Produce a leaflet describing the skin and how it works as an organ giving examples...
Homework
Describe how SMELL works
Full transcript