Your nervous system is your body’s command center. Originating from your brain, it controls your movements, thoughts and automatic responses to the world around you . It also controls other body systems and processes, such as digestion, breathing and sexual development (puberty).
What is the most important function of the nervous system?
At a more integrative level, the primary function of the nervous system is to control and communicate information throughout the body . It does this by extracting information from the environment using sensory receptors. This sensory input is sent to the central nervous system, which determines an appropriate response.
What is the function of the nervous system short answer?
The nervous system helps all the parts of the body to communicate with each other . It also reacts to changes both outside and inside the body. The nervous system uses both electrical and chemical means to send and receive messages.
What are the four main functions of the nervous system?
- Control of body’s internal environment to maintain ‘homeostasis’ An example of this is the regulation of body temperature. ...
- Programming of spinal cord reflexes. An example of this is the stretch reflex. ...
- Memory and learning. ...
- Voluntary control of movement.
What is nervous system and its types?
The nervous system has two main parts: 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.
What is the nervous system simple definition?
The nervous system controls everything you do, including breathing, walking, thinking, and feeling . This system is made up of your brain, spinal cord, and all the nerves of your body. ... The nerves carry the messages to and from the body, so the brain can interpret them and take action.
What is nervous system with diagram?
The Central Nervous System is the integration and command center of the body. It consists of the brain, spinal cord and the retinas of the eyes. The Peripheral Nervous System consists of sensory neurons, ganglia (clusters of neurons) and nerves that connect the central nervous system to arms, hands, legs and feet.
What is the main organ of the nervous system?
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.
What is the most important body system and why?
While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The human nervous system is responsible for coordinating every movement and action your body makes.
What is the purpose structure and function of the central nervous system?
The central nervous system (CNS) controls most functions of the body and mind . It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.
What are the 5 main parts of the nervous system?
The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.
What diseases affect the nervous system?
- Parkinson’s disease.
- Multiple sclerosis (MS).
- Amyotrophic lateral sclerosis (ALS).
- Alzheimer’s disease.
- Huntington’s disease.
- Peripheral neuropathies.
What are the two main nervous systems?
- 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.
What is nervous system disorder?
Brain and nervous system problems are common. These neurological disorders include multiple sclerosis, Alzheimer’s disease, Parkinson’s disease, epilepsy, and stroke , and can affect memory and ability to perform daily activities.
What is nervous system classification?
The nervous system can be divided into two major regions: the central and peripheral nervous systems . The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else (Figure 8.2).
What is the nervous system called?
The nervous system of vertebrate animals is divided into two parts called the central nervous system (CNS) and peripheral nervous system (PNS). The CNS is the largest part, and includes the brain and spinal cord.
