Just as cells join together to form tissues, different tissues join together to form organs. An organ is a structure made up of two or more tissues that work together to carry out a specific job. Ex: Your heart, is an organ made up of muscle tissue, blood tissue, and nerve tissue.

How do tissues of the same kind work together?

Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.

Which tissues and organs work together?

Connective tissue holds the body together. It is found in most organs, anchoring them to the skeleton and other organs. Types of connective tissue include fibrous tissue, fatty tissue, loose tissue and cartilage. Connective tissue also includes bone, blood and lymph.