Tissue and its Types

TISSUE AND ITS TYPES (Animal)

General Science | Easy Learn |

Tissues are groups of connected cells. Many tissues are made entirely from one type of cell. For example, skin, fat, or heart muscle. Blood is also tissue in liquid form. The hardest tissue in the human body is tooth enamel.

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Types of Tissue

There are four main types of tissue in the human body. These are connective, epithelial, muscular, and nervous tissue. 

Connective Tissue

1. Connective Tissue: This type of tissue acts as a glue in the body. It is a dense tissue. It fills the space between the other tissues and organs and helps in binding them together. For example, adipose tissue (fat), bone, and blood.

Muscular Tissue

2. Muscular Tissue: This type of tissue is made of long and thin cells. It helps to relax and contract to allow muscles to move bones. It also helps sustain blood pressure and carry food through the digestive system.

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Epithelial Tissue

3. Epithelial Tissue: This type of tissue is made up of three main shapes of the cell. This tissue lines and covers surfaces inside and outside the body. It forms, skin, and the lining of the body cavities such as the gut and lungs.

Nervous Tissue

4. Nervous Tissue

Nervous tissue is a specialized type of animal tissue that makes up the brain, spinal cord, and nerves. It is responsible for receiving stimuli, processing information, and transmitting electrical impulses throughout the body. This tissue is made up of two main types of cells:

·        Neurons – The functional units that generate and conduct nerve impulses.

·        Neuroglia (glial cells) – Supporting cells that protect, nourish, and maintain neurons.

Nervous tissue enables communication between different body parts, allowing quick responses to changes in the internal and external environment. It plays a vital role in controlling and coordinating bodily functions, including sensation, movement, and thought processes.