Monday, 19 October 2015

Tissue Of The Human Body

TISSUES OF THE HUMAN BODY:

A tissue is ensemble of similar cell from the same origin that together carries out a specific function.
The study of disease is known as histology or related disease of histology. Organs are then formed by the functional grouping together of multiple tissues.
Classification of tissues,
The animal tissue is divided into four basic types;
Connective tissues
Nervous tissues
Muscle tissues
Epithelial tissues
Connective tissues:
Connective tissues are fibrous tissues. They are made up of cell made up of non living material which is called extracellular matrix. This matrix can be rigid or liquid.
For example;
Blood has plasma as its matrix and bone matrix is rigid. Connective gives shape to organ.blood, bone, tendon, adipose and ligament tissues are the example of connective tissues.

Nervous tissues:
The cells which are composed on central nervous system [CVS] and peripheral nervous system are classified as neural tissues.
Muscular tissues:
The tissues which are from the active contractile tissue from the body are called as the muscle tissues or muscular tissues. The functions of muscular tissues are to produce force and cause motion.muscule tissue is separated into three categories; smooth muscle, skeletal muscle, and cardiac muscle.
Epithelial tissues:
The epithelial tissues are formed by cell that covers the organ surfaces such as the surface of [the skin, the airways, the reproductive tract and the inner lining of digestive tract.
Functions of epithelial tissues;
. The cells of the body surface from the outer layer of the skin
. Epithelial tissues help in absorption of water and nutrients
. Epithelial tissues help in elimination of waste
. Epithelial secrete enzymes and/or hormones in the form of glands

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