3.Make a short note on animal tissue and its types
Answers
Answer:
The four basic types of animal tissue are: Epithelial tissue is made up of layers of tightly packed cells that line the surfaces of the body for protection, secretion, and absorption. Examples of epithelial tissue include the skin, the lining of the mouth and nose, and the lining of the digestive system.
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Answer:
The animal cells are grouped together to form animal tissues. These tissues vary in their structure, function, and origin.
There are four types of tissues found in animals: epithelial tissue, connective tissue, muscle tissue, and nervous tissue.
Epithelial Tissue:
Epithelial tissues form the protective covering and inner lining of the body and organs. These can be single-layered or multi-layered and have the power to regenerate.
Connective Tissue:
Connective tissues develop from the mesodermal cells of the embryo. they support and bind other tissues in the body. These are made up of three components: Intercellular Matrix, Cells and Fibres
Muscular Tissue:
The muscular tissue develops from the mesoderm of the embryo. It is classified into three types: Cardiac, Smooth and Skeletal. It helps in movement and locomotion and it supports the bones and other structures.
Nervous Tissue:
Nervous tissue makes up the peripheral and the central nervous system. It develops from the ectoderm of the embryo. It possesses the ability to initiate and transmit the nerve impulse.