2. THE SIGHT
The organ for the sense of
sight is tthhee eeyyee.. The main part
of the eye is the eyeball.
http://www.youtube.com/watch?v=gvozcv8pS3c
3. The sight
The light reaches the eyeball.
The light goes through the cornea,
the pupil and the iris.
The retina focuses the image and
the information goes through the
optic nerve to the brain.
http://www.yo
utube.com/wa
tch?
v=Z8asc2SfFH
M&feature=rel
ated
http://www.youtube.com/watch?v=0G0tvuc7tqo&feature=fvwrel
4. THE HEARING
The organ for the sense of hearing
is the ear . It is made up of the
outer ear, the middle ear and the
inner ear.
5. The organ of the sense of hearing has three parts:
1º The outer ear: It is made up of
the ear and outer auditory canal
2º The middle ear: it is made up of
the eardrum and the small bones
3º
The inner ear: it is made up of the
colchlea and the auditory nerves
6. TOUCH
The organ for the sense of touch is
the skin. It has three layers: The
epidermis, the dermis and the
hypodermis.
1ºLayer
2º Layer
3º Layer
7. The epidermis is the outer
layers and it protects our body.
The dermis is under the epidermis
and it has the receptors of cold,
heat and pressure.
The Hypodermis: It is under the
dermis and it has fat and protects
us from cold.
8. SMELL
The organ for the sense of smell is
the nose. Receptors of smell are in
the pituitary.
9. TASTE
The organ for the sense of taste is
the tongue.
Receptors for different flavours
are in the taste buds.
