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The part of brain which contro...
Video Solution: The part of brain which controls the involuntary actions such a heart beat, breathing, blood pressure, etc. is
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ponsmedulla cerebrumcerebellum
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Question Details till 14/10/2022
| Question | |
| Chapter Name | Control And Coordination |
| Subject | Biology (more Questions) |
| Class | 10th |
| Type of Answer | Video & Image |
| Question Language | In Video - English In Text - English |
| Students Watched | 2.1 K + |
| Students Liked | 0 + |
| Question Video Duration | 2m16s |
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Hint: The brain has three different parts which are further divided into certain regions depending on their location and functions. Each region plays a specific and important role in the brain.Complete answer:
The medulla oblongata is the part of the brain which is responsible for controlling all the involuntary actions of the body. The medulla is that region of the hindbrain which is located below the midbrain and then continues to form the spinal cord which performs the
functions of controlling and carrying out the reflex actions in the body.
The human brain consists of three regions mainly forebrain, midbrain and hindbrain.
The forebrain is involved with the voluntary actions of the body and has specialized regions for the sense organs and is the main thinking part of the brain. The midbrain is the connecting link between forebrain and hindbrain and functions to control some involuntary actions of the body.The medulla controls the involuntary actions like salivation, blood pressure etc. The hindbrain is mainly divided into three regions: pons, medulla and cerebellum. The medulla controls involuntary actions and the cerebellum is associated with the precision of the decision and for maintaining the posture and balance of the body. The medulla controls the involuntary actions whereas forebrain is responsible for controlling the voluntary actions in the body.
Note: As the brain is the delicate organ and is the master of all the organs as it is known to control and coordinate the functions of all body organs thus protected in the bony case known as the skull or cranium.
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See how the brainstem regulates heart rate and respiration along with other vital involuntary reflexes
The brainstem is a sort of automatic control centre for several important involuntary...
Encyclopædia Britannica, Inc.Transcript
[Crowd noise]
NARRATOR: Despite its protective coverings, the brain is still a vulnerable organ. Repeated blows can cause permanent damage over time, and a single severe blow, even if it doesn't crack the skull or damage the brain, can disrupt the brain's normal operation and knock the victim unconscious [sound of heart beating]. Thinking ceases. Conscious control of muscle is lost. Sensory information is not heeded, and yet the heart continues to beat and the lungs to draw air.
These vital mechanisms are controlled by one of the brain's most durable parts--the brain stem. The brain stem is an automatic control center for many such important involuntary actions of the body. And, it is a pathway for impulses travelling back and forth between the body and the rest of the brain.
Consider the body as a kind of machine with certain basic actions that must be maintained and coordinated no matter what the state of our mind. The brain stem helps serve this purpose. It regulates heartbeat and respiration. It helps to wake up the rest of the brain from sleep by activating the other areas. It regulates blood pressure moment by moment. If it failed to do so, we would faint every time we stood up. It controls certain reflex actions such as blinking and the adjustment of the eyes to varying light. It guides involuntary actions necessary for eating such as the production of saliva and coordination of the muscles used to swallow. We are then free to think about other things, but it will not allow us to neglect the body's basic needs when the time comes. For example, if food goes down the wrong way, the brain stem will force us to cough. If the brain stem is damaged, the repercussions can be severe--paralysis, coma, death.