What is the central nervous system protected by?
The central nervous system is better protected than any other system or organ in the body. Its main line of defense is the bones of the skull and spinal column, which create a hard physical barrier to injury. A fluid-filled space below the bones, called the syrnix, provides shock absorbance.
What system is used to physically protect the underlying central nervous system?
Meninges. The outer surface of the CNS is covered by a series of membranes composed of connective tissue called the meninges, which protect the brain. The dura mater is a thick fibrous layer and a strong protective sheath over the entire brain and spinal cord.
How do the central nervous system and the peripheral nervous system work together quizlet?
How do the CNS and PNS work together to control the body? Sensory information goes through the PNS to the CNS to relay that information, motor information goes from the CNS to the PNS to relay that information. One goes through the other to take control of the body.
What is the relationship between the nervous system and behavior?
The central nervous system has a fundamental role in the control of behavior. It contains the brain and the spinal cord which are both encased in bone which shows their importance. Both the brain and spinal cord receive signals from the afferent neurons and send signals to muscles and glands through efferent neurons.
What emotions does the limbic system control?
The limbic system helps the body respond to intense emotions of fear and anger by activating the fight or flight response. This response is also sometimes called the fight, flight, or freeze response, thanks to new evidence suggesting the role of freezing in response to danger.
What symptoms are associated with a limbic system dysfunction?
When the limbic system is impaired and not functioning properly, it flows downstream to all other body systems. The result can be immune system dysfunction, poor digestion, impaired detoxification, mood changes, memory changes, and more.
Which of the following plays an important role in the limbic system?
KEY POINTS The amygdala is the emotion center of the brain, while the hippocampus plays an essential role in the formation of new memories about past experiences. The thalamus and hypothalamus are associated with changes in emotional reactivity.
What are the four most important parts of the limbic system?
The limbic system is composed of four main parts: the hypothalamus, the amygdala, the thalamus, and the hippocampus.