Tell how cells are organized from a single cell to a body system

Tell how cells are organized from....

Tissues work together, too. An Organ is a body part. It is made of different kinds of tissues. They work together to do job. Each organ has its own job to do.

Skin is the body's biggest organ. It protects your insides. Groups of organs also work together. They make body systems. Bones make the skeletal system. When you eat, you use organs in your digestive system.