The Nervous system in Human body
How many nervous systems are in the human body?
How does the nervous system work?
What are the 4 main functions of the nervous system?
How many nervous systems are in the human body?
What is the main function of the central nervous system?
What happens if the central nervous system is damaged?
RUNNING HEAD: UNIT 6 ASSIGNMENT
Unit 6 Assignment
SC 235
The Nervous system in Human body
The nervous system in the human body is made up of all the nervous cells and acts as the
body’s communication array with the outside world and many systems within the body. The
nervous system uses the body’s senses to collect information, process the information, and then trigger a reaction such as a person screaming in a haunted house when there is a loud noise. The nervous system has billions of nerve cells, or neurons, throughout the body which help communicate. The neurons have a cell body, each with various extensions, the shorter being called dendrites that act as the cell’s antenna and receive the signals to the cell body.
Expert Solution Preview
Introduction:
The nervous system is a crucial aspect of the human body as it is responsible for transmitting and processing information for various bodily functions. As a medical professor, it is essential to have a thorough understanding of the nervous system to effectively educate students. In this article, we will discuss the various aspects of the nervous system, including its functions and components.
1. How many nervous systems are in the human body?
The human body has two main nervous systems, the central nervous system (CNS) and the peripheral nervous system (PNS).
2. How does the nervous system work?
The nervous system functions by collecting and transmitting information to and from different parts of the body through nerve cells called neurons. The neurons communicate with each other through electrical and chemical signals, which are sent along the axons and dendrites.
3. What are the 4 main functions of the nervous system?
The four main functions of the nervous system are sensory input, integration, motor output, and homeostasis. Sensory input refers to the collection of information from both the internal and external environment, while integration is the processing and interpretation of this information. Motor output refers to the transmission of signals to muscles and glands for movement or physiological response. Finally, homeostasis refers to the maintenance of a stable internal environment.
4. What is the main function of the central nervous system?
The main function of the central nervous system is to process information received from the sensory neurons and coordinate a response through motor neurons. The CNS is composed of the brain and spinal cord, which play a crucial role in controlling and regulating bodily functions.
5. What happens if the central nervous system is damaged?
Damage to the central nervous system can cause a variety of symptoms depending on the extent and location of the damage. These can include paralysis, speech and language difficulties, memory loss, and seizures. The severity of symptoms and the potential for recovery depend on the extent of the damage and the location of the injury.
