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The brain and spinal cord make up the central nervous system. The brain is protected by three layers of meninges and situated within the cranium. It is divided into several parts that each have distinct functions. The cerebrum is the largest part and controls conscious thought and voluntary movement. The cerebellum coordinates balance and muscle activity. The medulla oblongata regulates involuntary functions like breathing and heart rate. Other key parts include the thalamus, which relays signals, and the hypothalamus, which helps maintain homeostasis.
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The brainstem consists of the midbrain, pons, and medulla. It connects the brain to the spinal cord and regulates information flow between the brain and body. The diencephalon connects the brainstem to the cerebrum and contains the thalamus and hypothalamus. The thalamus relays sensory information to the cerebral cortex. The hypothalamus is associated with the endocrine system and various regulatory functions.
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Here in this presentation you will get a detailed view about the Human Nervous System of our body in a simplified manner. Hope you will understand it.
Cns Compressed 2 Nd
The document provides detailed information about the anatomy and physiology of the nervous system. It describes the basic functional unit of the neuron and its main parts. It discusses the different types of cells in the nervous system including neuroglial cells and neurotransmitters. It outlines the divisions of the central and peripheral nervous systems and describes key structures and functions of the brain and spinal cord.
Central nervous system
The central nervous system (CNS) is comprised of the brain and spinal cord. The CNS controls the body's functions and responses to sensory information. The brain plays a central role in controlling bodily functions like awareness, movement, sensations, thoughts, speech, and memory. The spinal cord connects to the brainstem and runs through the spinal canal, enabling some reflexes without brain involvement.
The human brain
This document provides information about the structure and function of the human brain and nervous system. It begins with definitions of the central nervous system (which includes the brain and spinal cord) and peripheral nervous system. It then describes the major parts of the brain - the cerebrum, cerebellum, brain stem, and diencephalon. It also discusses the somatic and autonomic nervous systems, comparing the sympathetic and parasympathetic divisions. Finally, it covers brain growth in the fetus and provides classifications of the nervous system.
3 central nervous system brain
The central nervous system is comprised of the brain and spinal cord. The brain controls bodily functions like awareness, movement, and memory. The spinal cord transmits sensory and motor signals through the spinal canal. The brain is protected by meninges and cerebrospinal fluid. It can be divided into the hindbrain, midbrain, and forebrain. The forebrain contains structures that regulate homeostasis, memory, emotion, and higher cognitive functions.
Nervous system central nervous system peripheral nervous system
The document discusses the nervous system, including its main divisions and components. It begins by explaining that the nervous system controls all body activities and is divided into the central nervous system (CNS) and peripheral nervous system (PNS). The CNS includes the brain and spinal cord, while the PNS includes cranial and spinal nerves. The brain is made up of several parts, including the cerebral hemispheres, cerebellum, and brain stem. The brain stem contains the midbrain, pons, and medulla oblongata. The document also describes the meninges, ventricles, and lobes of the brain. It then discusses the spinal cord, peripheral nervous system, and autonomic nervous system.
Central nervous system
The brain controls voluntary movement, balance, involuntary organs, endocrine glands, and behavior. It is responsible for thermoregulation, hunger, thirst, circadian rhythms, vision, hearing, speech, memory, intelligence, emotions, and thoughts. The brain is protected by bones of the skull and layers of meninges. It is divided into the forebrain, midbrain, and hindbrain. The forebrain includes the cerebrum, thalamus, and hypothalamus. The cerebrum is divided into left and right hemispheres which are connected by the corpus callosum. The hypothalamus controls body temperature, pituitary gland, emotions, hunger, thirst, and circadian rhythms. The
Nervous system ppt.pptx
The document describes the structure and function of the human nervous system. It is divided into two main parts: the central nervous system (CNS), comprising the brain and spinal cord, and the peripheral nervous system (PNS). The CNS receives and integrates sensory information and coordinates voluntary and involuntary motor responses. The PNS connects the CNS to sensory receptors and effector organs throughout the body. Key components include the brain, spinal cord, neurons, and over 30 pairs of cranial and spinal nerves.
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Ratheesh Powerpoint Presentation
- 2. SABARIGIRI COLLEGE OF EDUCATION Anchal Presented by RATHEESH.R. Option : Natural Science Reg.No: 13379014
- 3. BRAIN AND ITS ASSOCIATED PARTS
- 4. INTRODUCTION The brain and the spinal cord are the important parts of the nervous system.The brain is situated inside a bony cranium. The brain is covered by three layers. They are called meninges. Meninges serve the function of protection of brain and of providing nutrients and oxygen to brain tissue through their capillaries. Cerebrospinal fluid (CSF) fills the cavity between these layers.
- 5. PARTS OF A BRAIN 1.Cerebrum 2.Cerebellum 3. Medulla oblongata 4.Thalamus 5.Hypothalamus 6.Pons 7.Corpus Callosum
- 6. 1.Cerebrum Cerebrum is the largest part of the brain the surface is highly convoluted-divided into left and right hemispheres - hemispheres are bound by a horizontal nerve tract called corpus callosum near the base. The outer cortex of the cerebrum is grey matter and inner medulla is white matter
- 7. Functions Centre of consciousness thorough, imagination, memory, analytical thinking Awareness of vision, hearing ,smell taste, touch, heat etc. Control of voluntary action
- 8. 2.Cerebellum Cerebellum seen behind the cerebrum as two lobes – longitudinal grooves seen on the surface in place of convolutions – cortex is grey matter and medulla is white matter
- 9. Functions Maintains balance and equilibrium of body Coordinates muscular activities and impulses for this come from cerebrum
- 10. 3.Medulla oblongata Medulla oblongata is the most basal part of the brain. It continues behind as the spinal cord. Outer white matter and inner grey matter present.
- 11. Functions Controls heart beat, breathing contraction of blood vessels, gastrointestinal movements vomiting, sneezing coughing and other involuntary activities.
- 12. 4. Thalamus Thalamus is the nerve centre seen just bellow the cerebrum. it act as relay station for incoming and outgoing impulses
- 13. Functions Relays transmission of impulses to the cerebrum and from the cerebrum. Prevents passage of many of the impulses to cerebrum during sleep. Narcotics influence the thalamus and thus prevents the passage of pain impulses to cerebrum.
- 14. 5. Hypothalamus Hypothalamus seen just bellow the thalamus. It connected to the pituitary gland through nerves and blood vessels
- 15. Functions Maintains homeostasis by regulating the body temperature, water level etc. Centre of thirst, hunger sexual drive etc Production of hormones oxytocin and vasopressin. Controls the secretion of pituitary hormones Helps to maintain the normal constitution of blood.
- 16. 6. Pons Pons connect the two lobes of the cerebellum horizontally Functions Functions as the centre through which impulses travel to and from the cerebellum, spinal cord and other parts of the brain
- 17. 7. Corpus callosum Corpus callosum connect the left and right cerebral hemispheres