Front

What is the smallest, functioning unit of a living organism?

Back

Cell

Front

What is a component?

Back

A part of a larger object or system

Front

What is the function of a valve in the heart?

Back

To open and close to allow blood to travel in the right direction

Front

What is a vein?

Back

A vessel that carries blood to the heart

Front

What does the septum do?

Back

Separates the left and right sides of the heart

Front

What is a tissue?

Back

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

Front

What is an organ?

Back

A structure made up of different types of tissues that work together to perform a specific function.

Front

What is the function of arteries?

Back

To carry blood away from the heart.

Front

What is blood?

Back

A liquid that carries oxygen, nutrients, and waste products throughout the body.

Front

What is the heart?

Back

An organ that pumps blood throughout the body.