What is the central nervous system (CNS) comprised of? What is the functional neuron type that is the most prevalent in the CNS? Which neurons reside only within the CNS? What cells are found entirely within the CNS? What is the glial cell responsible for myelin central nervous system?
The nervous system is divided into two main parts -- the central nervous system and the peripheral nervous system. Explore an overview of the components and functions of these two divisions of the nervous system and understand their importance. Related to this QuestionW...
Structure refers to the arrangement or organization of parts within a whole, focusing on physical or conceptual composition. System, however, denotes a set of interconnected components working together for a common purpose, emphasizing functionality.
European society has always been divided into classes, so people there accept the idea of status very easily and naturally. Whereas in America, a mobile society, a kind of social paranoia exists, because no one is certain what his status in society is. In America everyone thinks he...
A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. A system, surrounded and influenced
Generally speaking, the peritoneum is comprised of two layers of serous membrane with a small amount of serous fluid between the layers. Together, the membrane and the fluid serve to reduce friction between the internal organs and allow smooth, easy motion of the body. Peritoneum exists throughou...
The endocannabinoid system is comprised of CB1 and CB2 receptors. CB1 receptors are usually found in the nervous system and the brain, and CB2 receptors are typically found in the immune system. Yarygin via iStock What Cannabinoids Are There? We can’t answer the question in full, because the...
In the brain, adenosine is an inhibitory neurotransmitter. This means adenosine can act as a central nervous system depressant. In normal conditions, it promotes sleep and suppresses arousal. When awake, the levels of adenosine in the brain rise each hour. In the heart, adenosine causes dilation...
What emotions does the hypothalamus control? Is the amygdala part of the limbic system? What does the hypothalamus do in the nervous system? Is the thalamus part of the limbic system? What are the neurotransmitters of the sympathetic nervous system?
Nervous tissue consists predominantly of two cell types: neurons and what? The part of a muscle fiber that receives the message from a neuron is called? What system consists of nerves that initiate communication? What is the gap at the junction between two neurons?