Homeostasis

The Nervous System

Central Nervous System

Peripheral Nervous System

Somatic System

Autonomic System

Neurons

Glial Cells

Nerves

Types of Neurons

Reflex Arc

Cell Body

Dendrites

Axon

Myelin Sheath

Node of Ranvier

Schwann Cell

Myelinated

Un-myelinated

Polarized Axon

Threshold Potential

Depolarized Axon

Hyperpolarized Axon

Refractory Period

Synaptic Transmission

Synapse

Neurotransmitters

Excitatory Neurotransmitters

Inhibitory Neurotransmitters

Presynaptic Neuron

Postsynaptic Neuron

The Brain

Forebrain

Cerebrum

Thalamus

Hypothalamus

Midbrain

Hindbrain

Cerebellum

Medulla Oblongata

Pons

Meninges

Skull

Cerebrospinal Fluid

Cerebral Cortex

Cerebral Hemispheres

Corpus Callosum

The Lobes of the Brain

Occipital Lobe

Parietal Lobe

Frontal Lobe

Temporal Lobe

Blood Brain Barrier

PET Scan

MRI Scan

CAT Scan

EEG Scan

Sympathetic System

Parasympathetic System

Photoreceptors

Chemoreceptors

Osmoreceptors

Carotid Artery and Aorta Receptors

Mechanoreceptors

Proprioceptors

Thermoreceptors

Sensory Adaptation

Touch

Taste

Smell

Sight

Cornea

Sclera

Pupil

Lens

Retina

Iris

Choroid

Optic Nerve

Aqueous Humour

Vitreous Humour

Outer Ear

Middle Ear

Inner Ear

Pinna

Auditory Canal

Tympanum

Ossicles

Oval Window

Cochlea

Auditory Nerve

Semicircular Canals

Vestibule

Eustachian Tube