L4: Moving Materials (118-132)

Front

What are the lower chambers of the heart that pump blood out to the lungs or body called?

Back

Ventricles

Front

What are the narrow tubes that lead from the trachea into the lungs?

Back

Bronchi

Front

What are the smallest type of blood vessels that allow for gas exchange between cells and blood?

Back

Capillaries

Front

What is the main organ that makes up the respiratory system?

Back

Lungs

Front

What type of blood vessels carry blood containing carbon dioxide back towards the heart?

Back

Veins

Front

What is the function of the atria in the heart?

Back

To receive blood from the body and lungs.

Front

What is the primary function of the lungs in the respiratory system?

Back

To facilitate gas exchange, taking in oxygen and expelling carbon dioxide.

Front

What is the role of capillaries in the circulatory system?

Back

To connect arteries and veins and allow for the exchange of oxygen, carbon dioxide, nutrients, and waste.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygenated blood away from the heart, while veins carry deoxygenated blood back to the heart.

Front

What is the trachea's role in the respiratory system?

Back

To provide a passage for air to travel to and from the lungs.