Why is epithelial tissue called protective tissue class 9?

Explanation: Epithelial tissue covers and protects many organs and cavities within the body. … In skin, many layers of epithelial cells are present to prevent wear and tear. Hence, it acts as a protective tissue in the animal body.

Why is Epithelial tissue called protective tissue?

Explanation: The epidermis is considered a protective tissue because its prime purpose is to form a physical barrier between the outside and inside of the body. On the top stratum (layer) of the epidermis, the cells are dead, and so have no physiological function besides to form a barricade against the outside.

Why are they called protective tissue class 9?

epidermis and cork cells are known as protected tissue because epidermis and cork cells protect the plant from water loss and protects the plant from insects. epidermis and cork cells had waxy coating known as cutin and suberin which helps the plant from water loss .

Is Epithelial tissue a protective tissue?

The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue. …

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What are protective tissues Class 9?

Protective tissues are usually present in the outermost layer of the plant body such as leaves, stem and roots and offer protection to the plant body. They prevent desiccation, mechanical injury, and infection in plants.

Which animal tissue is known as protective tissue?

The covering or protective tissues in the animal body are epithelial tissues. Epithelium covers most organs and cavities within the body. It also forms a barrier to keep different body systems separate.

Which tissue is a protective tissue?

epidermis tissue is also known as protective tissue .

How many types of protective tissue are there?

There are two kinds of protective tissues: the epidermis and the suber or cork.

How is epithelial tissue a protective tissue?

Explanation: Epithelial tissue covers and protects many organs and cavities within the body. … In skin, many layers of epithelial cells are present to prevent wear and tear. Hence, it acts as a protective tissue in the animal body.

Which animal epithelial tissue is called pavement epithelium where is it located?

Answer: Simple squamous epithelia are found in capillaries, alveoli, glomeruli, and other tissues where rapid diffusion is required. Cells are flat with flattened and oblong nuclei. It is also called pavement epithelium due to its tile-like appearance.

What is Suberin Class 9?

Suberin is a wax like fatty substance. Suberin is highly hydrophobic and it prevents water from penetrating the tissue. Suberin is found in the cell walls of cork cells. It makes these cells impervious to gases and water.

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What are the function of protective tissue?

Answer:Answer: The protective tissue is those tissue, which is present in the outermost layer of the plant such as roots, stem, and leaves. Protective tissue prevents desiccation, mechanical injury, and infection in plants. They form a protective barrier which does not allow the entry of the pathogen into the plant.

What is tissue made of?

A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple tissues.