Class 9 Exam > Class 9 Videos > Introduction to animal tissues - Tissues - Class 9 Biology - Science
Introduction to animal tissues - Tissues - Class 9 Biology - Science Video Lecture
FAQs on Introduction to animal tissues - Tissues - Class 9 Biology - Science Video Lecture
| 1. What are animal tissues? |  |
Ans. Animal tissues are groups of cells that work together to perform specific functions in the bodies of animals. These tissues are classified into four main 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 and lines the internal cavities of the body. Its main functions include protection, secretion, absorption, and diffusion. Epithelial tissues are found in the skin, lining of the digestive tract, and the respiratory system.
| 3. How does connective tissue support the body? | |
Ans. Connective tissue provides support and connects different structures in the body. It consists of cells and an extracellular matrix that contains proteins and fibers. Connective tissue includes bone, cartilage, blood, and adipose tissue, and it helps in providing structural support, protection, and transportation of nutrients and waste.
| 4. What is the role of muscular tissue? | |
Ans. Muscular tissue is responsible for the movement of the body. It is composed of cells called muscle fibers that have the ability to contract and relax. Muscular tissue can be categorized into three types: skeletal muscle, smooth muscle, and cardiac muscle. Skeletal muscles allow voluntary movements, smooth muscles control involuntary movements, and cardiac muscles enable the pumping of blood.
| 5. What is the function of nervous tissue? | |
Ans. Nervous tissue is responsible for the communication and coordination of activities within the body. It is made up of specialized cells called neurons that transmit electrical signals. Nervous tissue forms the brain, spinal cord, and nerves, and it plays a crucial role in sensory perception, motor control, and the regulation of bodily functions.
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