nervous system Flashcards
5 senses
vision - eyes - Photoreceptors (light, colour) Hearing - ears -Mechanoreceptors touch - skin - Mechanoreceptors smell - nose - Chemoreceptors taste - tongue - Chemoreceptors
Nervous system
Central Nervous System (CNS)
Autonomic Nervous System
Peripheral Nervous System
Autonomic Nervous System
-Regulates individual organ function and homeostasis
Sympathetic Nervous system
Concerned with enabling the body to undergo the ‘fight or flight’ response.
Adrenalin and noradrenalin are the neurotransmitters released
Parasympathetic Nervous System
Used to restore and conserve energy.
Lowers heart rate
Aids digestion
The neurotransmitter is Acetylcholine (Ach)
neuron
The functional unit of the nervous system
types of neuron
sensory, motor and inter
HYPOTHALAMUS
Regulates the release of hormones from the pituitary gland and Regulates functions
Pituitary Gland
The MASTER Gland!