Each hemisphere has 4 lobes: frontal, temporal, parietal, and occipital (Fig. The cerebral hemispheres have distinct fissures, which divide the brain into lobes. The two sides are connected by the nerve fibers corpus callosum. ![]() The cerebrum is divided into left and right hemispheres. The left hemisphere is dominant in hand use and language in about 92% of people.įigure 2. The right hemisphere controls creativity, spatial ability, artistic, and musical skills. In general, the left hemisphere controls speech, comprehension, arithmetic, and writing. Not all functions of the hemispheres are shared. If a stroke occurs on the right side of the brain, your left arm or leg may be weak or paralyzed. Each hemisphere controls the opposite side of the body. 2) They are joined by a bundle of fibers called the corpus callosum that transmits messages from one side to the other. The cerebrum is divided into two halves: the right and left hemispheres (Fig. It performs many automatic functions such as breathing, heart rate, body temperature, wake and sleep cycles, digestion, sneezing, coughing, vomiting, and swallowing. Its function is to coordinate muscle movements, maintain posture, and balance.īrainstem: acts as a relay center connecting the cerebrum and cerebellum to the spinal cord. It performs higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.Ĭerebellum: is located under the cerebrum. The brain has three main parts: the cerebrum, cerebellum and brainstem.Ĭerebrum: is the largest part of the brain and is composed of right and left hemispheres. The brain is composed of the cerebrum, cerebellum, and brainstem (Fig. ![]() The peripheral nervous system (PNS) is composed of spinal nerves that branch from the spinal cord and cranial nerves that branch from the brain. The central nervous system (CNS) is composed of the brain and spinal cord. The brain controls our thoughts, memory and speech, movement of the arms and legs, and the function of many organs within our body. It assembles the messages in a way that has meaning for us, and can store that information in our memory. The brain receives information through our five senses: sight, smell, touch, taste, and hearing - often many at one time. Protected within the skull, the brain is composed of the cerebrum, cerebellum, and brainstem. Intelligence, creativity, emotion, and memory are a few of the many things governed by the brain. ![]() References W3.CSS Reference W3.The brain is an amazing three-pound organ that controls all functions of the body, interprets information from the outside world, and embodies the essence of the mind and soul. Web Building Web Intro Web HTML Web CSS Web JavaScript Web Layout Web Band Web Catering Web Restaurant Web ArchitectĮxamples W3.CSS Examples W3.CSS Demos W3.CSS Templates W3.CSS Colors W3.CSS Color Classes W3.CSS Color Material W3.CSS Color Flat UI W3.CSS Color Metro UI W3.CSS Color Win8 W3.CSS Color iOS W3.CSS Color Fashion W3.CSS Color Libraries W3.CSS Color Schemes W3.CSS Color Themes W3.CSS Color Generator W3.CSS W3.CSS HOME W3.CSS Intro W3.CSS Colors W3.CSS Containers W3.CSS Panels W3.CSS Borders W3.CSS Cards W3.CSS Defaults W3.CSS Fonts W3.CSS Google W3.CSS Text W3.CSS Round W3.CSS Padding W3.CSS Margins W3.CSS Display W3.CSS Buttons W3.CSS Notes W3.CSS Quotes W3.CSS Alerts W3.CSS Tables W3.CSS Lists W3.CSS Images W3.CSS Inputs W3.CSS Badges W3.CSS Tags W3.CSS Icons W3.CSS Responsive W3.CSS Layout W3.CSS Animations W3.CSS Effects W3.CSS Bars W3.CSS Dropdowns W3.CSS Accordions W3.CSS Navigation W3.CSS Sidebar W3.CSS Tabs W3.CSS Pagination W3.CSS Progress Bars W3.CSS Slideshow W3.CSS Modal W3.CSS Tooltips W3.CSS Grid W3.CSS Code W3.CSS Filters W3.CSS Trends W3.CSS Case W3.CSS Material W3.CSS Validation W3.CSS Versions W3.CSS Mobile
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |