What role does the nervous system play in the body?

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 role does the nervous system play in the human body?

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 4 main functions of the nervous system?

The four main functions of the nervous system are:

  • 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.

Which organ is part of our 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 part of nervous system?

The brain and the spinal cord make up the central nervous system. The nervous system is the most complex and highly organized body system. It receives information from the sensory organs via nerves, transmits the information through the spinal cord, and processes it in the brain.

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What is the second most important organ in the body?

Maroon and shaped like a boomerang, the liver is the second largest organ in the body (the skin always steals this glory). The reason why it’s so vital is that it serves as your body’s border inspection station.

What are the 3 most important body systems?

The main systems of the human body are:

  • Circulatory system / Cardiovascular system: …
  • Digestive system and Excretory system: …
  • Endocrine system: …
  • Integumentary system / Exocrine system: …
  • Immune system and lymphatic system: …
  • Muscular system: …
  • Nervous system: …
  • Renal system and Urinary system.

What is nervous system and how it works?

What does the nervous system do? Your nervous system uses specialized cells called neurons to send signals, or messages, all over your body. These electrical signals travel between your brain, skin, organs, glands and muscles. The messages help you move your limbs and feel sensations, such as pain.