Life Science Review Study Guide

Front

What is the smallest unit of life that can carry out all life functions?

Back

The cell.

Front

Which of the following is NOT an example of a human organ system?

Back

Hand system.

Front

True or False: Every living organism is made up of one or more cells.

Back

True.

Front

What do we call a group of tissues that perform a similar function?

Back

Organs.

Front

What is the circulatory (cardiovascular) system an example of?

Back

Organ system.

Front

What is the basic unit of structure and function in living things?

Back

Cell.

Front

What system protects the body from disease and infection?

Back

Immune system.

Front

What is the function of the respiratory system?

Back

To exchange gases (oxygen and carbon dioxide) with the environment.

Front

What is the role of the digestive system?

Back

To break down food and absorb nutrients.

Front

What is the function of the nervous system?

Back

To control and coordinate body activities by transmitting signals.