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Chapter 6 | Part 7 : Tissues | Animal Tissues: Nervous | English | Class 9 | #Matricula | #NCERT

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✅ In this video,

✔️ Class: 9th
✔️ Subject: Science
✔️ Chapter: Tissues (Chapter 6)
✔️ Topic Name: Class 9 Science Chapter 6 | Animal Tissues: Nervous for Chapter Tissues
✔️ Topics Covered in This Video: Explanation From Class 9 Science - Animal Tissues: Nervous for Chapter 6 Tissues have been discussed in this Video

Tissues are groups of similar cells that work together to perform a specific function.

There are four main types of tissues in the animal body:
1. Epithelial tissues: cover the body's surface, line internal organs, and form glands. They provide protection, regulate the exchange of materials between the body and the environment, and secrete and absorb substances.
2. Connective tissues: provide support and connect other tissues. They include bone, cartilage, fat, and blood.
3. Muscle tissues: produce movement and generate force. There are three types of muscle tissue: skeletal, cardiac, and smooth.
4. Nervous tissues: transmit electrical and chemical signals throughout the body. They include neurons and supporting cells called glia.

Each type of tissue is composed of different types of cells and has a unique structure and function. For example, epithelial tissues have tightly packed cells that form a continuous layer, while connective tissues contain widely spaced cells within a matrix of non-living material. The combination of different types of tissues in the body creates organs, which perform specific functions. The interaction and coordination of these organs form the basis of an organism's physiology.

Nervous tissue is a type of tissue in animals that is specialized for transmitting and processing sensory information and coordinating movement and other physiological functions. It is composed of two main types of cells: neurons and glial cells.

Neurons: neurons are the primary cells of the nervous system, and they are responsible for transmitting electrical and chemical signals between different parts of the body. Neurons have a cell body, dendrites, and an axon, and they use electrical and chemical signals to communicate with each other and with other cells in the body.

Glial cells: glial cells are supportive cells in the nervous system, and they provide structural support, insulation, and nutrition to neurons. Glial cells also play important roles in the formation and maintenance of the blood-brain barrier, which helps to protect the brain from harmful substances.

The nervous tissue is organized into two main systems: the central nervous system (CNS), which consists of the brain and spinal cord, and the peripheral nervous system (PNS), which consists of all the other nerves in the body. The CNS is responsible for processing and integrating sensory information, and it coordinates movement, thought, and other physiological functions. The PNS carries sensory information from the body to the CNS and carries motor commands from the CNS to the muscles and organs.

Nervous tissue is essential for sensing and responding to changes in the environment, as well as for coordinating movement and other physiological functions. It plays a critical role in maintaining homeostasis, and it is involved in many complex functions, such as learning, memory, and consciousness.

In this video, we'll be discussing nervous tissues of animals. We'll be covering topics such as the structure and function of nervous tissue, the nerve impulse, and neurochemistry. We'll also be looking at examples of nervous tissues in animals and their role in physiology.

If you're looking for a comprehensive study of nervous tissues, then you should check out this video. It's packed with information on everything you need to know about nervous tissues!

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