Nervous system

Nervous system নিয়ে আলোচনা:

Nervous system

 

#parts of Nervous system:

 

Nervous system

 

Brain

 

F

 

CNS

 

 

PNS

 

(Central Nervous system)

 

(Percipheral nervous system)

 

Brain

 

spinal cond

 

→Forebrain

 

Cervical (8)

 

mid bream

 

→Thoracic (12)

 

→Hind brain

 

→Lumberc (5)

 

Sacral (5)

 

coccygeal

 

(1)

 

Peripheral Nervous system

 

1

 

Cranial Nerve (12 pair)

 

spinal nerve (31 ραίπ)

#Neurzon:

 

Neuron is the structural functional and fundamental unit of Breain

 

→Dendrite

 

→ Nucleus

 

→cell body

 

chwan cell

 

→ Myelin sheth

 

Axon

 

Axor Nereve terminal

 

Fig: Neuron


Salma Akter

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