Human Body Systems 2023

Front

How many liters of blood does a teenager have?

Back

A teenager has approximately 4 liters of blood.

Front

What is one function of our skin?

Back

One function of our skin is to regulate body temperature.

Front

What should we do to keep our bones healthy?

Back

To keep our bones healthy, we should exercise.

Front

How many bones do adults have?

Back

Adults have 206 bones.

Front

Where are the smallest bones in your body found?

Back

The smallest bones in your body are found in your ears.

Front

What is the main function of the skeletal system?

Back

The main function of the skeletal system is to provide structure and support to the body.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body.

Front

What is the largest organ in the human body?

Back

The largest organ in the human body is the skin.

Front

What do muscles do in the human body?

Back

Muscles allow movement by contracting and relaxing.

Front

What is the function of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide.