Circulatory, Respiratory, and Digestive Systems

Front

What is the main organ of the circulatory system?

Back

Heart

Front

What is the primary function of the lungs?

Back

To facilitate the exchange of oxygen and carbon dioxide.

Front

Where does oxygen enter the bloodstream?

Back

Alveoli

Front

What is the correct order of passage through the GI Tract?

Back

Mouth -> Esophagus -> Stomach -> Small Intestine -> Large Intestine

Front

Which system delivers oxygen to cells during physical activity?

Back

Circulatory system

Front

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

Back

To pump blood throughout the body.

Front

What are the two main components of the circulatory system?

Back

Heart and blood vessels.

Front

What is the function of the diaphragm in the respiratory system?

Back

To help with breathing by contracting and relaxing.

Front

What is the purpose of the digestive system?

Back

To break down food into nutrients for the body.

Front

What is the role of alveoli in the respiratory system?

Back

To allow gas exchange between air and blood.