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288945
SENSITIVITY I
Description
Mind Map on SENSITIVITY I, created by danieldeua on 19/10/2013.
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danieldeua
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danieldeua
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SENSITIVITY I
Sensitivity and the sense organs
Annotations:
Through sensitivity we respond to changes in the environment. These changes are called stimuli
Sense organs send information to the brain.
Brain gives orders to the muscles
The skin
The largest organ in the body. It tells us about the things that come into contact with our body
The tongue
It allows us to distinguish flavour and identify foods.
Taste buds have receptors to detect flavours: sweet, salty, sour and bitter.
Taste receptors send information to the brain trough taste nerves.
The nose
It allows us to capture smells in the air that we breathe.
Receptors in the olfactory epithelium send information to the brain trhough the olfactory nerve.
The eyes
They detect light so we can see shapes and colours, and estimate distances.
The ears
It allows us to hear sounds.
The locomotor system
The skeletal system
Bones meet at joints: fixed or movable.
Bones are held together by ligaments
The end of the bones are covered by an elastic materal called cartilage
The muscular system
Muscle are joined to the bones by ligaments
Most muscles work in pairs: antagonists.
Flexing and extending movement.
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