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Sight

– The eyes are found below the cranium, specifically, within the eye sockets. Each eye measures up to 2.5 centimeters in diameter and can move, because it has muscles.
– Although the eye transmits the luminous sensations around us, the brain is the organ that truly sees.

Where is the eye located?
Which organ is the one that actually sees?

Ear

– In addition to perceiving sound sensations, the ear is responsible for maintaining the balance of the body.
– The ear is split into three parts: outer ear (captures sounds waves), middle ear (mechanizes the sound waves) and the inner ear (transforms sound waves into nerve impulses).

What function does the ear perform?
How many parts is it divided into?

Touch

– The main touch organ is the skin, a flexible, thick and resistant membrane that can experience a vast amount of physical feelings.
– Skin is made-up of three layers: hypodermis (innermost layer), dermis (intermediate layer) and epidermis (outermost layer).

What type of sensations does the skin feel?
Which is the innermost layer?