Question

Define cell, Tissue, organs and organ system.​

Answer 1

$\huge\bold\red{Cell:-}$

The cell is the smallest unit of a living organisms. It has a structure of its own and performs many functions.

$\huge\bold\red{Tissue:-}$

Group of cells make a tissue.

$\huge\bold\red{Organs:-}$

Tissues collectively of cells make a tissue.

$\huge\bold\red{Organ\:System:-}$

The different organs, in turn,working together for a certain major activity, from an organ system.

Answer 2

A cell is the basic structure as well as functional unit of all living being. a group of cell which perform a specific function is called tissue. A group of tissue which perform a specific function is known as organ. A system of organ which perform a specific function is known as organ system.