Human Body Systems

Front

What is the smallest functional unit of the human body?

Back

Cell.

Front

What is the correct order of organization in the human body from smallest to largest?

Back

Cell, Tissue, Organ, System, Body.

Front

Which organ is part of the digestive system?

Back

Stomach.

Front

What do the digestive and circulatory systems have in common?

Back

Both absorb gases or nutrients into the body.

Front

Which system does NOT absorb nutrients or get rid of wastes?

Back

Nervous System.

Front

What is the primary function of the immune system?

Back

To defend the body against attacks from pathogens.

Front

What is the role of the circulatory system?

Back

To transport nutrients, gases, and wastes throughout the body.

Front

What is the main function of the digestive system?

Back

To break down food and absorb nutrients.

Front

Which system is responsible for breathing?

Back

Respiratory System.

Front

What is the function of the muscular system?

Back

To enable movement of the body.