Animal Tissues types and Explanation in General Science - INDIA COVER

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Animal Tissues types and Explanation in General Science

Animal Tissues

The contraction and relaxation of these cells results in movement.

Types of Cells?

There are two types of cells which are Unicellular animals and Multicellular animals.
The single celled animals are called as Unicellular animals, and the animals contain more than one cell is called as multicellular animals.

How tissues are made up of ?

There are lot of group of cells in animals ( multicellular animals ) and that cells perform different functions in the body to forms a tissues.
In Simple words " the group of smaller units of cells to form a tissues " Examples:  Blood and Muscles are tissues.

Types of tissues

Based on animal tissues is consists of four types :-

  • Epithelial tissues,
  • Connective tissues,
  • Muscular tissues,
  • Nervous tissues.

Epithelial Tissues

Covering or protective layer in the animal body are called epithelial tissues. Example :- Skin is covered the entire body externally , lining of blood vessels, lung alveoli and Kidney tubules., etc.., are all made up of epithelial tissues.
Epithelial Tissues in Animal

Different epithelial tissues show different in structure. Ex :- In cells lining blood vessels or lung alveoli, where transportation of substances occurs in the permeable region which is simple flat type of epithelial. And this is called as Squamous epithelium ( Squamo means scale of skin )

The inner lining of intestine which helps in absorption and secretion occurs, tall epithelial cells is present.

And in the respiratory tract , columnar (pillar type) epithelial facilities movement acts as a barrier, and this forms a cilia which is the hair like projections in the top layer of epithelial are called as ciliated epithelial tissues.

The lining of Kidney tubules , ducts of salivary gland etc.., provides a mechanical support and there cells cube shaped to form a cuboidal epithelium

And another part of epithelial tissues , here the epithelial forces sometimes inwards especially in the muscular glands , so it is called as glandular tissues.

Connective Tissues

The Connective tissues are loosely packed which are fixed firmly in the inter-cellular matrix, and the matrix is a jelly or fluid like, dense or rigid.

Example of Connective tissues are :-
Blood, Bones, Cartilages, fats etc..,

Connective tissues in Blood :-  Blood has fluid liquid matrix called plasma. RBC, WBC and platelets are constitute of blood , they are suspended part.
Plasma contains such as proteins, salts and harmones.

Connective tissues in Bone :- Bones are composed of Calcium and Phosporous compounds. These Part supports main organs of the body and they are flexible and non flexible. The two bones can be connected to each other by another type of connective tissues is called as ligaments. And they are very elastic .

Connective tissues in Tendons :- Tendons connect with muscles to bones and these gives great strength because of fibrous tissues, but flexibility is less.

Connective tissues in Cartilages :-  Solid matrix is composed of Proteins and sugars. It smooth ens the bones surface at joints and also present in ear, nose, trachea and larynx

Connective tissues in Areolar :- Found between the skin and muscles around the blood vessels, Nerves and in the bone marrow.
And these is mainly forms in the internal parts , and also helps in repairing the tissues.

Connective tissues in Fats :-  It is storing in the tissues called adipose, which is found below the skin and in between internal organs, and they are filled with fat globules to store fats and also acts as a insulator.

Muscular Tissues

The Muscular tissues consists of elongated cells are called as muscle fibers. And these tissues contains a special proteins is called as contractile proteins.
Based on there types they are classified into :- Voluntary Muscles and Involuntary Muscles.

See AlsoMuscles communication with Brain

Voluntary Muscles :  The Voluntary muscles are muscles that we can move or stop moving when we think to do that action, And this muscles are skeletal muscles mostly attached to the bones and helps in body movements.
Under Microscope, these muscles show light and dark bands or striations when stained appropriately they are called striated muscles.. These cells has many nucleus so they are multi nucleate and unpaired branches 

Involuntary Muscles :  The involuntary muscles are muscles that we acts automatically without our thoughts, and they cannot be stopped during movement.
Ex : The movement of food in the alimentary canal, Blood vessels contraction and relaxation in these muscles, Found in the iris of eyes, also found in uterus and bronchi of the lungs
In simple words - " We can't stop them to do so ! "
These cells are long ,pointed ends (spindle shaped) and uni-nucleate (having a single nucleus). They are also called as Unstraited Muscles

Heart Muscles is the example of Involuntary Muscles, and these muscles are also called as Cardiac muscles.

Nervous Tissues

The highly specialized nervous tissues helps in transfer of cells from one place to another place within the body.
Example : Brain, Spinal cord, nerves are all composed of nervous tissues.
Nervous Tissues

The cells of the nervous tissues is called as Neurons.
The cells of these tissues has nucleus with cytoplasm and the branched like structures around nucleus are called as dentriles, and in the long hair like part axon is formed from the each neuron part.

Nerve Impulse : Signal that passes along the nerve fiber (which allow to move our muscles ) Nerve tissues receive and conduct impulses.

End of the session :

That we have completed animal tissues in the article, here we discussed about the 
What is mean by animal tissues ?
How tissues is made up of ?
Types of animal tissues ?
Explanation of animal tissues with examples.?

Thanks for reading the article... 
The above article is very much important for the exam point of view, especially in railway exams, DRDO exams , SSC exams ,TNPSC exams, NEET exams..etc.., you can get at least one questions from this topic.

Animal tissues and its types

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