Human Body Systems

Front

What is a group of similar cells that perform the same function?

Back

Tissue

Front

What is the basic unit of structure and function in life?

Back

Cell

Front

Which part does not belong with the nervous system: brain, spinal cord, nerves, or heart?

Back

Heart

Front

What is the smallest living part of the body?

Back

Cells

Front

How many bones does a human body have?

Back

206

Front

What is the function of the heart in the human body?

Back

To pump blood throughout the body.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels, and blood.

Front

What is the role of the respiratory system?

Back

To facilitate breathing and gas exchange.

Front

What is the function of the digestive system?

Back

To break down food and absorb nutrients.

Front

What is an organ?

Back

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