Chapter 9 Senses of Organs

Classifications of senses of organs

-pain
-Temperature
-touch
-pressure

Types of nerves

-encapsulated nerve endings
-free nerve endings

Special Sense Nerves

Smell
Taste
vision
hearing
equilibrium

Parts of The Eye

Pupil
lens
cornea
iris
lacrimal caruncle

Pupil

Black of the eye

lens

behind pupil

Cornea

Window of the eye

iris

coloure portion/ muscle

lacrimal glands

lubricantes eye with tears

Tears

Destroy bacteria via enzymes

Ciliary Muscle

The muscle within the eye

Retina

-rods
-cons

Rods

dim light

cons

Bright light

Choroid

Middle layer

Sciera

White of eye

Conjunctiva

Mucous membrane

The Ear

- External Ear
- Middle Ear
- Inner Ear
-Auditory Ossicles
-vlll nerve
-auditory tube

Taste receptors

Chemoreceptor gusterory cells
(if damaged affedts Taste)

Smell Receptors

Olfactory receptors
(if damaged affects smell)

Cranial Nerves

Eye- optic Nerve

Nose- olfactory Nerve

Taste- Glossopharygeal Nerve