UNIT 1 INTERACTION

1. NERVOUS SYSTEM

1.1. THE CENTRAL NERVOUS SYSTEM

1.2. THE BRAIN AND THE SPINAL CORD MAKE UP OUR CENTRAL NERVOUS SYSTEM

1.3. THE BRAIN PROTECT THE SKULL OR CRANIUM

1.4. AND THE SPINAL CORD IS MADE UP OF NERVE TISSUE. IT CONTROLS OUR REFLEX ACTIONS

2. THE SENSES

2.1. THE SIGHT

2.1.1. THE CORNEA AND PUPIL

2.1.2. THE IRIS

2.1.3. THE LENS

2.1.4. NERVE RECEPTORS

2.1.5. OPTIC NERVE

2.2. HEARING

2.2.1. AUDITORY CANAL

2.2.2. OUTER EAR

2.2.3. EARDRUM

2.2.4. MIDDLE EAR

2.2.5. COCHLEA

2.2.6. INNER EAR

2.2.7. AUDITORY NERVE

2.2.8. BRAIN

2.3. SMELL

2.3.1. NOSTRILS

2.3.2. OLFACTORY NERVE

2.4. TASTE

2.4.1. TONGUE

2.4.2. TASTE BUDS

3. TOUCH

3.1. SKIN

3.2. DERMIS

4. LOCOMOTOR SYSTEM

5. THE PERIPHERAL NERVOUS SYSTEM

5.1. SENSORY NEURONS

5.2. THE PERIPHERAL NERVOUS SYSTEM IS MADE UP OF NERVES

5.3. BRAIN

5.4. MOTOR NEURONS