Human Body Systems Intro plus Digestive

A group of different tissues that work together to perform a specific function.

A group of organs that work together to perform a specific function.

A ring of muscles that aids in the one way passage of food through the digestive tract.

The regulation/control of a body's internal environment to keep it stable.

The smallest unit of an organism that can carry out the basic functions of life.

Regular muscle contractions that move food through the digestive tract.

A moist ball produced when food is chewed and mixed with saliva.

A thick, sticky substance that lines and protects the inner walls of the digestive organs.

A group of similar cells that work together to carry out a specific function.