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Andreyy89
2 years ago
5

How is the message from the brain sent in response to the stimuli?

Biology
2 answers:
Karolina [17]2 years ago
6 0

The motion scheme of conscious motion is Impulse -> receptors / senses -> sensory nerves -> brain -> motor nerves -> effectors / muscles.

<h2>Further Explanation </h2>

the nervous system is one part of the coordination system that regulates the body's activities through rapid electrical stimulation. Components of the nervous system consist of nerve cells (neurons), the central nervous system, and the peripheral nervous system.

Nerve Cell Structure (neurons)

There are 7 parts of the structure of nerve cells that need to be known:

1. Dendrites are relatively short, branched cytoplasmic lines and function to receive stimuli to be sent to the cell body.

2. Perikarion, in this cell body stimuli that were previously sent, begins processing.

3. Axon is a long cytoplasmic outline and serves to deliver excitatory. Axon length of about 1mm-1m. The first end of the axon is called the hillock axon, while the end end of the axon is called the terminal axon.

4. Schwann cells are supporting nerve cells in the form of fat which functions to produce myelin sheath.

5. Myelin sheath is a part of the nerve that functions to protect axons and provide nutrients.

6. Ranvier nodes, which play an important role in accelerating the delivery of stimuli.

7. Synapses are the link between one neuron and another neuron. Also, synapses act as a meeting point between the axon ends of one neuron and the dendrites of other neurons or connections to muscles and glands.

Based on its shape, nerve cells are divided into Multipolar Nerves, Bipolar Nerves, and Unipolar Nerves. Multipolar nerves have one axon and two dendrites, but they can also be more. Examples are in the motor nerves in the brain and spinal cord. Whereas the Bipolar Nerve has two lines consisting of dendrites and axons, such as ear, eye, and nose receptors. Unipolar nerves are bipolar neurons that have only one outstretched cell body because their axons and dendrites are fused. Examples of unipolar nerves are neurons in the embryo and photoreceptors of the eye.

Stimulation or impulses are messages received by the receptors or the body from the outside environment, then carried by neurons or a series of electrical pulses that circulate nerve fibers. Examples of impulses include changes in temperature, pressure, odor, aroma, sound, objects, and various flavors such as salty, sweet, sour, and bitter. Impulses received by the receptor and delivered to the effector can then cause movement. movement can be divided into two types, namely conscious motion, and reflex motion. Unconscious motion is a movement that occurs as a result of deliberate or conscious. For example the movement of holding a book when you want to study, or when picking up a pencil. While reflex motion is involuntary or unconscious motion.

Learn more

about the nervous system brainly.com/question/2374370

about structure nerve cells brainly.com/question/2374370

about Stimulation or impulses brainly.com/question/2374370

Details

Grade: High School

Subject: Biology

keywords: the nervous system, stimulation or impulses

ivolga24 [154]2 years ago
3 0
When a stimulus is being detected, this stimulus is being sent to the brain through the sensory neuron, going to the spinal cord then to the brain. The brain then interprets these stimuli, and responds to it using the motor neurons. These are the neurons that are responsible in our actions depending on the stimuli we are exposed to. Hope this helps.
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