Brain And Nervous System Flashcards, test questions and answers

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What is Brain And Nervous System?

The brain and nervous system are fundamental components of the body that allow us to think, move, and respond to our environment. The brain is both a control center and repository for information, while the nervous system is responsible for sending electrical signals throughout the body. Together, they form a complex network of communication pathways that enable us to function as human beings.The brain is composed of different regions responsible for specific functions. The frontal lobe controls thought processes such as problem-solving and decision-making; the occipital lobe performs visual processing; the parietal lobe processes touch and movement sensations; and the temporal lobe processes sound, language, memory, and emotions. All these parts work together to create consciousness and other higher cognitive functions. Additionally, there are areas in the brain that regulate motor skills like walking or speaking as well as those related to emotion. Other areas control metabolism or hunger levels in order to maintain homeostasis in the body. The nervous system consists of two distinct divisions: the central nervous system (CNS) which includes our brain stem and spinal cord;and then peripheral nerves which branch out from them throughout our entire body connecting it with both internal organs as well as external sensory stimuli from our environment. This intricate network of neurons works together by sending electrical signals throughout our bodies allowing us to sense changes in temperature or pressure on our skin , perceive pain , taste flavors ,or hear sounds. Furthermore , specialized groups of cells at various locations within this neural web detect chemical signals released by hormones or neurotransmitters so we can experience different emotions such pleasure or fear. Ultimately ,the human brain is an incredibly complex organ composed of many distinct parts working together harmoniously in order to achieve balance among its various functions. This amazing feat makes possible all aspects associated with being alive including movement ,awareness, thoughts , actions ,and emotions. Therefore it should come as no surprise that humans have long been fascinated by this mysterious organ specifically how it works with its partner in crime the nervous system in order for us to survive each day.