Located in the frontal lobe are the motor cortex and the Broca area. The frontal lobe, located anteriorly to the central sulcus, is responsible for voluntary motor function, problem-solving, attention, memory, and language. The cortex divides into four lobes frontal, parietal, occipital, and temporal by different sulci. It is composed of gray matter and filled with billions of neurons used to conduct high-level executive functions. The right hemisphere is more creative, being dominant in artistic and musical situations, and intuition.Ĭerebral cortex: The cerebral cortex is the outermost layer that surrounds the brain. The left hemisphere is more dominant with language, logic, and math abilities. While they are in constant communication, the left and right hemisphere are responsible for different behaviors, known as brain lateralization. The brain is broken up into two hemispheres, the left, and the right.
Spinal cord protection is by bone, meninges, and cerebrospinal fluids. The purpose of the spinal cord is to send motor commands from the brain to the peripheral body as well as to relay sensory information from the sensory organs to the brain. The spinal cord is a vital aspect of the CNS found within the vertebral column. In addition, it has a blood-brain barrier preventing the brain from any harmful substance that could be floating in the blood. The nervous tissue is extremely delicate and can suffer damage by the smallest amount of force.
Protection for the human brain comes from the skull, meninges, and cerebrospinal fluids. The brain is an organ of nervous tissue that is responsible for responses, sensation, movement, emotions, communication, thought processing, and memory. The central nervous system's responsibilities include receiving, processing, and responding to sensory information. The central nervous system is the brain and spinal cord, while the peripheral nervous system consists of everything else. The nervous system subdivides into the central nervous system and the peripheral nervous system.
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