Jim Majelewski
Search results
Learn about the structure and functions of the brain, the central nervous system and the meninges. Explore the main parts of the brain, such as the cerebrum, brainstem and cerebellum, and their roles in thought, emotion, movement and more.
Together, the brain and spinal cord constitute the central nervous system in all vertebrates. In humans, the cerebral cortex contains approximately 14–16 billion neurons, [1] and the estimated number of neurons in the cerebellum is 55–70 billion. [2]
- 4.14 [65]
- 7.4-7.8
- 2.2-2.5
- 2.1
Feb 10, 2023 · The brain is the command center that controls the nervous system and regulates vital functions. Learn about the different parts of the brain, their roles, and how to maintain a healthy brain.
The brain is protected by the skull, suspended in cerebrospinal fluid, and isolated from the bloodstream by the blood–brain barrier. However, the brain is still susceptible to damage, disease, and infection. Damage can be caused by trauma, or a loss of blood supply known as a stroke.
Learn about the structure, function, and disorders of the human brain from the National Institute of Neurological Disorders and Stroke. This fact sheet covers the basics of brain anatomy, neurotransmission, and neurological diseases.
1 day ago · Learn about the brain, the mass of nerve tissue in the anterior end of an organism that integrates sensory information and directs motor responses. Explore the anatomy, functions, and disorders of the human brain and its regions, such as the cerebrum, cerebellum, and hypothalamus.
Mar 30, 2022 · Learn about your brain, an essential organ that controls many body functions and processes information. Find out how your brain is structured, what lobes and hemispheres do, and what conditions can affect your brain health.
