Front

What is the basic unit of life?

Back

Cell

Front

What is a group of similar cells that work together to perform a specific function?

Back

Tissue

Front

What is formed by a group of tissues that work together to carry out a specific function?

Back

Organ

Front

What is the term for a group of organs that work together to perform complex functions?

Back

Organ system

Front

What level of organization comes after cells in the hierarchy of life?

Back

Tissues

Front

What is the smallest unit of matter that retains the properties of an element?

Back

Atom

Front

What is a substance made up of two or more atoms bonded together?

Back

Molecule

Front

What is the term for the highest level of organization in living things?

Back

Organism

Front

What is an example of an organ in the human body?

Back

Heart

Front

What is the function of the circulatory system?

Back

To transport blood, nutrients, and oxygen throughout the body.