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On the basis of the functions they perform we can think of different types of animal tissues, such as epithelial tissue, connective tissue, muscular tissue and nervous tissue.
3 Write two functions of mast cells. 4 Differentiate between tendon and ligaments. 5 How is nerve impulse transmitted through the synapse? 6 What is the main functions of connective tissue? 7 Write a note on adipose tissues. 8 Distinguish the difference between collagen and elastic fibres. 9 Write two functions of cork.
Solutions of chapter 6. Tissues | Science Important Questions - Class 9
Describe the structure and function of different types of epithelial tissues. Draw diagram of each type of epithelial tissue. 51
Solutions of chapter 6. Tissues | NCERT Science Exemplar - Class 9
A tissue is defined as group of cells along with intercellular substances performing one or more functions in the body. Epithelia are sheet like tissues lining the body’s surface and its cavities, ducts and tubes.
Summary Vertebrates circulate blood, a fluid connective tissue, in their body, to transport essential substances to the cells and to carry waste substances from there. Another fluid, lymph (tissue fluid) is also used for the transport of certain substances. Blood comprises of a fluid matrix, plasma and formed elements.