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Why is the nervous system is the most important system in humans body? 

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Why is the nervous system is the most important system in humans body? 

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Because it regulates every process in the body.The nervous system is the complete network of nerve cells (neurons). It includes the brain, the spinal cord, the nerves and all the sensory neurons in the body.

In short the nervous system is what makes us human. It allows us to feel, think, act, live, love etc.

Sensing and acting
The sensory neurons gather input such as temperature, body position, pain, light, hunger etc. This information is transmitted through the nerves to the brain where the information is processed. This processing means interpreting what to do with the information. When this is decided a signal can be send through the nerves to generate output such as contraction of a muscle when your hand touches a hot surface.

Control of all bodily processes
Next to sensing and acting, the nervous system controls all processes in the body. It can stimulate tissues to produce hormones and enzymes. It stimulates the involuntary movement of muscles such as the heart and the bowels.

Movement and emotion
Not unimportant is that the nervous system allows you to move your body by voluntary control of the muscles. As part of the nervous system, the brain is of course extremely important in generating emotions, allowing you to enjoy, love, be angry and sad. The brain enables learning, memorizing, thinking, dreaming, control of behavior etc etc etc.

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This experiment helps me to understand more about the contraction of muscle and its relationship with energy utilization (ATP consumption). Beside that, i also have learned to become more patience through this experiment. This is because its was not easy for me to isolate a small piece of a muscle fibre from the bundle.

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Definition of the Central Nervous System

As you think, see, breath and do everything throughout the day, you are using your central nervous system. It is the system of the body that receives and processes all information from all parts of the body. It consists of the brain, the spinal cord and neurons. It is arguably the most important system of the body.

Two of the primary components of the central nervous system are the brain and the spinal cord, seen in this image.

Parts & Functions of the Central Nervous System

Neurons are the basic units that make up the nervous system. All cells of the nervous system are made of neurons. Neurons are able to transmit electrical impulses throughout the body as signals that cause a response. There are three types of neurons known as motor, sensory and interneurons. Motor neurons transmit information between organs, glands and muscles. Sensory neurons send information to the brain and spinal cord from internal organs or external stimuli encountered by the parts of the body. Interneurons act as messengers that relate signals between motor and sensory neurons.

The brain is the control center of the body. The brain is typically considered to have three main parts: the forebrain, the hindbrain and the brain stem. The forebrain receives and processes sensory information such as thinking, understanding and producing language and motor functions. The forebrain consists of the thalamus, the hypothalamus, cerebrum and cerebral cortex.

This image shows the forebrain.

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In this experiment, i have learned about humans reflex function and the nervous system. This experiment helps me to understand more about humans bodies, especially about nervous system. In lecture, i only learned nervous system by theory but this experiment help me to increase my understanding in nervous system.

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Blended learning

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Is it improper warming up can cause muscle cramp?

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Is it improper warming up can cause muscle cramp?

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Hye, this padlet is about animal physiology. Hopefully this padlet will help you to understand more about animal physiology.