CBSE Class 9 Biology Tissues
Plant Tissues - Structure and Function
Plant tissues are classified as meristematic and permanent tissues.
Meristematic tissues keep on dividing and form new cells.
Simple supporting permanent tissues are parenchyma, collenchymas and Sclerenchyma. Their main function is to provide turgidity and mechanical strength to plant.
Protective and Complex Plant Tissues
The plants have special conducting tissue in form of vascular bundles which are up of xylem and phloem tissue.
Xylem conducts water and minerals and phloem conducts food from leaves to various parts of the plant.
Protective Tissue in Animals
Squamous, columnar, ciliated, cuboidal and glandular epitheliums are the types of epithelial tissue.
Each of these epithelia has structures appropriately modified to suit their functions.
Connective Tissue in Animals
Its main function is to transport gases, nutrients, hormones and excretory products in the body.
Bone is a rigid connective tissue made up of calcium and phosphorus.
Tendons connect muscle to bones while ligaments join bones to bones. Adipose tissue stores fat globules under the skin.
CBSE Class 9: Textbook Solutions, Videos, Sample Papers & More
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