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UNIT 1, cuadro, 5ac2bee2049ba, oreja, smelllingorangecropped…
UNIT 1
THE SENSES
SMELL
Nerve receptors
TASTE
Taste bud
Tongue
HEARNING
Auditory nerve
Cochlea
Middle ear
Eardrum
Auditory canal
SIGHT
Lens
Cornea
Pupil
Iris
Eyelash
Retina
Optic nerve
Blind spot
Eyelid
TOUCH
Nerve
Blood vessel
Dermis
HOW WE MOVE
JOINTS
Semi-flexible joints
Fixed joints
Flexible joints
THE SKELETON
Flat bones
Short bones
Long bones
MUSCLES
Skeletal muscles
Smooth muscles
Cardiac muscle
THE NERVOUS SYSTEM
THE CENTRAL NERVOUS SYSTEM
BRAIN
Is protected by skull.
Cerebrum
Brain stem
Cerebellum
SPINAL CORD
PERIPHERIAL NERVOUS SYSTEM
Brain
Motor neurons
Sensory neurons
