NEET BIOLOGY

Detailed explanation-1: -Tissue is a group of cells that have similar structure and that function together as a unit. Primary types of body tissues include epithelial, connective, muscular, and nervous tissues. Epithelial tissues form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.

Detailed explanation-2: -Organ-a group of tissues precisely arranged so that they can work together to perform specific functions.

Detailed explanation-3: -Epithelial tissue refers to groups of cells that cover the exterior surfaces of the body, line internal cavities and passageways, and form certain glands. Connective tissue, as its name implies, binds the cells and organs of the body together.

Detailed explanation-4: -There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue. Connective tissue supports other tissues and binds them together (bone, blood, and lymph tissues).

Detailed explanation-5: -Cells group themselves together to make up the tissues and organs of our bodies. They are a bit like building blocks.