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Questions and Answers
What are the two main types of permanent tissues discussed in the chapter?
Which type of tissue is responsible for providing mechanical support to plants?
What are the four types of animal tissues introduced in the chapter?
What is the main function of nervous tissue in animals?
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Which type of tissue is responsible for the exchange of substances between the body and the external environment in animals?
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Study Notes
Types of Permanent Tissues
- Two main types of permanent tissues: simple permanent tissues and complex permanent tissues.
- Simple permanent tissues consist of one type of cell, whereas complex tissues are made up of multiple cell types.
Mechanical Support in Plants
- Collenchyma tissue provides mechanical support to plants, enabling them to withstand various stresses and maintain structural integrity.
Types of Animal Tissues
- Four main types of animal tissues are:
- Epithelial tissue: covers body surfaces and lines cavities.
- Connective tissue: supports, binds, and protects other tissues and organs.
- Muscle tissue: responsible for movement, divided into skeletal, cardiac, and smooth muscle types.
- Nervous tissue: specialized for communication and signal transmission throughout the body.
Function of Nervous Tissue
- The main function of nervous tissue is to facilitate communication between different body parts and coordinate activities by transmitting signals through neurons.
Tissue for Substance Exchange
- Epithelial tissue is responsible for the exchange of substances between the body and the external environment, functioning in absorption, secretion, and protection.
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Description
Test your understanding of plant and animal tissues with Selina Concise Biology Class 7 ICSE Solutions for Chapter 1. Enhance your knowledge of the organization within the body and the substances that make up human tissues.
