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Coordination id the act of making different organs of body to work together to produce an effect in body, and our body need such control and coordination of all organs to prod
It is divided into 2 parts : (1.1) Brain and (1.2) spinal cord.
(1.1)
A pair of eyes are organs of sight. Ophthalmology is the study of structure, function and disease of rye. They are located in orbits (bony cavities). Of skull.
The study of nervous system in all aspects id called neurology.
Nervous tissue :- It fours the nervous system in animals.
There is a pair of ears to hear. They are located on sides of head. Study of ear in all aspects is called otology.
Ear shows 3 parts :-
It has 2 main parts : CNS and PNS.
(A) CNS (central nervous system ):-it has further 2 parts brain and spin
Animals show 2 types of actions :-
(1) Poliomyelitis:- A cute infection by poliovirus, especially in spinal cord and brainstem, causing muscle weakness, paraly
It is located in the vertebral canal of vertebral column and 45 cm long. It extends from upper level of atlas its first lumber vertebral of vertebral column. Spinal cord is al
Sensory system consists of simple to complex structure called sensory receptors.
Simple sensory receptors ore called primary sense cell.
More c
Any substance such as acetylcholine or dopamine, responsible for sending nerve signals.
Synapse:- the function between the end of one neuron a
The nerves that arise from or join brain. In human being, these are 12 pairs of Cranial nerves.
they arise from spinal cord in human being, these are 31 pairs of spinal nerves. Divided into 5 pairs.
(1)&n
Frog
Phylum : Chordata
Sub phylum : Vertebrata
Section : Gnathostomata
Class : Amphibian
Sub cl
Annelida:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentati
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