Body Systems & Homeostasis 2nd Period

Front

What is the primary function of the circulatory system?

Back

To deliver nutrients and oxygen to body tissues and remove waste products.

Front

What are chemical changes?

Back

Changes that alter the chemical composition of a substance, such as digestion or combustion.

Front

What is the role of the excretory system?

Back

To remove waste products from the body, including carbon dioxide, urine, and sweat.

Front

Which system is responsible for breaking down food?

Back

The digestive system.

Front

What is homeostasis?

Back

The process by which the body maintains a stable internal environment despite changes in external conditions.

Front

What is the function of enzymes in the digestive system?

Back

To speed up chemical reactions that break down food into nutrients.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not alter the chemical composition, while chemical changes do.

Front

What is the role of the respiratory system?

Back

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

Front

What is a force in the context of body systems?

Back

A push or pull that can cause an object to move or change its motion, such as muscle contractions.

Front

What is the function of saliva in digestion?

Back

To begin the breakdown of food and make it easier to swallow.