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The nervous system is a very complex system when compared with other systems. We read, write, sleep, think, smell, feel, see, hear, become happy and sad, etc. All these are possible due to the nervous system. It is made of special tissues known as nervous tissues. Nervous tissues are made of a neuron. Some neuron carries impulses from tissues to the brain and some carry impulses from the brain to the tissues. Nervous system is divided into 3 main parts, they are:
It is also divided into two main parts, they are:
The brain is the main part of the central nervous system which is safely enclosed in the skull. The brain sends the message to organs and tissues and receives impulses from them. It consists of different parts, they are:
The spinal cord is the next organ of the central nervous system. It lies inside the vertebral Column. There are 31 pairs of spinal nerves coming out from the spinal cord and they are spread to different part of our body. It is the main center for reflex action.
Its functions are:
There are 12 pairs of nerves coming out from the brain and 31 pairs of nerves are coming out from spinal cord function under a peripheral nervous system. Among these some carry impulses from the brain to organs or some carry impulses from organs to the brain, among these some nerves do both functions as mixed nerves.
The nervous system in our body that function without our conscience is known as an autonomic nervous system. It is divided into two nervous system, they are:
The function of cerebrum are:
The functions of the spinal cord are:
Which statement is false for cerebrum?
It is the center of intelligence, memory, imagination and emotions.
It controls the functions of other parts of the brain.
It is responsible for ordinary sensations.
It makes body movement smooth, steady and co-ordinated.
______ receives an integrate signals from spinal cord and sends resulting impulses to cerebrum and cerebellum.
None of above
______ includes the nerves that arise from the brain and spinal cord.
All answers are correct
Pheripheral Nervous System
Autonomic Nervous System
Central Nervous System
The function of spinal cord is ______.
to break down food to be used by the body.
to remove wastes from the body
to connect the organ system with the brain
to control the motion of the body.
There are ______ pairs of spinal nerves.
The cells that transmit the message from one part of the body to other are known as ______.
Which of the following carry impulses from various parts of the body to the brain or spinal cord?
None of the options are correct
______ sends most of the impulses to the dendrites of another neuron.