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Animal Tissues Video Lecture | Science Class 9

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FAQs on Animal Tissues Video Lecture - Science Class 9

1. What are animal tissues?
Ans. Animal tissues are groups of cells that work together to perform a specific function in an animal's body. These tissues can be categorized into four types: epithelial tissue, connective tissue, muscular tissue, and nervous tissue.
2. What is the function of epithelial tissue?
Ans. Epithelial tissue covers the surfaces of organs, lines body cavities, and forms glands. Its main functions include protection, absorption, secretion, and sensory perception. Epithelial tissues are classified based on their shape (squamous, cuboidal, or columnar) and the number of cell layers (simple or stratified).
3. How is connective tissue different from other types of tissues?
Ans. Connective tissue is characterized by its abundance of extracellular matrix, which is composed of protein fibers and ground substance. Unlike other tissues, connective tissue does not have a free surface and its cells are scattered within the matrix. Connective tissue provides support, protection, and transportation for the body.
4. What are the types of muscular tissue?
Ans. There are three types of muscular tissue: skeletal muscle, smooth muscle, and cardiac muscle. Skeletal muscle is attached to bones and responsible for body movements. Smooth muscle is found in the walls of internal organs and controls involuntary movements. Cardiac muscle makes up the walls of the heart and allows it to contract and pump blood.
5. How does nervous tissue function?
Ans. Nervous tissue is responsible for transmitting and processing information in the body. It is made up of specialized cells called neurons, which can generate and transmit electrical signals. Nervous tissue coordinates and regulates various bodily functions, including movement, sensation, and cognition.
91 videos|353 docs|97 tests

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