what is the cns in the nervous system ?
what is the cns in the nervous system？
Broadly speaking, the nervous system is organised into two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is the processing centre of the body and consists of the brain and the spinal cord. Both of these are protected by three layers of membranes known as meninges.2018年7月17日
Thereof,What are the functions of the CNS?
The three broad functions of the CNS are to take in sensory information, process information, and send out motor signals. The CNS is differentiated from the peripheral nervous system, which involves all of the nerves outside of the brain and spinal cord that carry messages to the CNS.
Simply so,What is CNS and PNS in nervous system?
The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
Subsequently,What is the CNS in the body?
Central nervous system (CNS): Your brain and spinal cord make up your CNS. Your brain uses your nerves to send messages to the rest of your body. Each nerve has a protective outer layer called myelin. Myelin insulates the nerve and helps the messages get through.
Correspondingly,What are the parts of CNS?
The brain and the spinal cord are the central nervous system. The nerves that go through the whole body make up the peripheral nervous system.
In vertebrates the CNS is contained within the dorsal body cavity, with the brain is housed in the cranial cavity within the skull, and the spinal cord is housed in the spinal canal within the vertebrae.
Brainstem. The brainstem (middle of brain) connects the cerebrum with the spinal cord. The brainstem includes the midbrain, the pons and the medulla.
The PNS and CNS work together to send information between the brain and the rest of the body. Nerves emerge from the CNS through the skull and vertebral column, using the PNS to carry information to the rest of the body. The PNS is made up of two divisions – sensory and motor.
What is the difference between the central nervous system CNS and the peripheral nervous system PNS in terms of their function?
The main difference between central and peripheral nervous system is that the central nervous system receives sensory information and the processed information is sent into effector organs as the response whereas the peripheral nervous system is involved in sending information to the central nervous system and sending ...
The PNS connects the CNS to the rest of the body. The primary function of the peripheral nervous system is to connect the brain and spinal cord to the rest of the body and the external environment. The peripheral nervous system transmits information to and from the CNS.
Infections, such as meningitis, encephalitis, polio, and epidural abscess. Structural disorders, such as brain or spinal cord injury, Bell's palsy, cervical spondylosis, carpal tunnel syndrome, brain or spinal cord tumors, peripheral neuropathy, and Guillain-Barré syndrome.
It's connected to different parts of body by pairs of spinal nerves which connect with specific muscles & glands. SC contains circuit of nerve cells = enables us to perform reflexes without direct involvement of brain - pulling hand away from something hot.