Revision Notes For For Class 11 Biology Chapter 7 Structural Organisation In Animals

Animals are made up of large numbers of components, which includes different type of cells, tissues, and organs. A group of similar cells forms a tissue, which is followed by organs and the organ system.

CBSE Notes Class 11 Biology Chapter 7 Structural Organisation in Animals

Animals have different levels of Organizations. Unicellular animals are made up of a single cell, and multicellular animals are made up of millions to billions of cells. Animal tissues are broadly divided into four different types and are mainly classified based on their location and functions.

  • Epithelial tissue: These tissues are mainly involved in absorption, excretion, protection, reproduction, and secretion.
  • Connective tissue: These tissues are mainly involved in connecting, supporting, attachments of other tissues.
  • Muscular tissue: These tissues play an important role in the movement and locomotion of different parts of the body.
  • Neural tissue: They are the specialized tissues which help in transmitting messages, controlling and coordination of muscles and glands through nerve impulse induction.

 

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Frequently asked Questions on CBSE Class 11 Biology Notes Chapter 7: Structural Organisation in Animals

What are the main types of tissues?

1. Connective tissue 2. Epithelial tissue 3. Muscle tissue 4. Nervous tissue

What are the benefits of tissue in the human body?

Tissues have several functions in our human body. They are responsible for carrying oxygen, blood and other necessary materials to various organs.

How to score high grades in this chapter?

Practise diagrams and keep revising till before the exam. Remember important points and mention those in the exam.

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