Body Systems

Front

What is the system that collects and eliminates wastes from the body and regulates the level of fluid in the body?

Back

Excretory system

Front

What is the process in which chemical reactions break down pieces of food into small molecules?

Back

Chemical digestion

Front

What organ pumps blood throughout the body?

Back

Heart

Front

What is the innermost layer of the skin called?

Back

Hypodermis

Front

What system is made up of the brain and the spinal cord?

Back

Central nervous system

Front

What is the primary function of the respiratory system?

Back

To exchange oxygen and carbon dioxide between the body and the environment.

Front

What is the role of the digestive system?

Back

To break down food into nutrients that the body can use.

Front

What is homeostasis?

Back

The process by which the body maintains a stable internal environment.

Front

What is the function of the circulatory system?

Back

To transport blood, nutrients, gases, and waste products throughout the body.

Front

What is the largest organ in the human body?

Back

Skin