Question

what are tissues?

please answer urgently​

Answer 1

Explanation:

a group of cells that works together to achieve a particular function is called tissue

Answer 2

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What are tissues?

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✒ A group of cells which is organised and specilised to perform a particular function in the body of an organism is called tissue.

Additional information :-

In plants there are 2 main types of tissue:-

• Meristematic- Meristematic tissue forms a group of continuosly dividing cells which helps in growth of the plant.

• Permanent- When the meristematic tissue have lost their ability to divide they get differentiated to perform a specilised functions these tissue are called permanent tissue.

In animals there are 4 types of tissues:-

• Epithelial- This is the simplest and the most fundamental tissue in animals which forms a sheet of cells to make a protective covering over the animal body.

• Connective- As per its name connective tissue aids in binding ,joining,connecting and packing one tissue to another in an animals body so that the whole body can function as an integrated unit.

• Muscular- Muscular tissue consists of elongated cells called muscle fibres.Contractile proteins are held together inside cells which contract and relax to cause movement of cells.The contractile elements are called myofibrils.

• Nervous- The nervous tissue consists of neuron cells . These cells are specilised to transmit the stimuli received from external or internal agents to different body parts and brain.The neuron cell is the longest cell known.

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