Human Body Systems

Front

What do the digestive and circulatory systems have in common?

Back

Both absorb gases or nutrients into the body.

Front

What is a function shared by the excretory system and the digestive system?

Back

Eliminating wastes.

Front

What is a common function of the endocrine system and nervous system?

Back

Both relay messages to cells throughout the body.

Front

What is the primary function of the respiratory system?

Back

To take in oxygen and remove carbon dioxide.

Front

Which system is responsible for defending the body against attacks?

Back

Immune system.

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 into nutrients that can be absorbed.

Front

What does the excretory system do?

Back

It removes waste products from the body.

Front

How does the nervous system communicate with the body?

Back

Through electrical signals carried by neurons.

Front

What are hormones?

Back

Chemical messengers produced by the endocrine system.