Circulatory and Respiratory Systems

Front

What is the process by which gas exchange occurs in the lungs?

Back

Diffusion

Front

What is the primary component of blood that is produced in the bone marrow?

Back

Red blood cells

Front

What is the main function of the circulatory system?

Back

Blood transports nutrients, gases, and other substances throughout the body.

Front

What is the primary role of blood in the body?

Back

It carries oxygen to all body cells and returns carbon dioxide to the lungs.

Front

What are the two main branches that split from the trachea?

Back

Bronchi

Front

What is the function of alveoli in the respiratory system?

Back

Alveoli are tiny air sacs where gas exchange occurs.

Front

What is the role of hemoglobin in red blood cells?

Back

Hemoglobin binds to oxygen and carries it from the lungs to the body's tissues.

Front

What is the difference between arteries and veins?

Back

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

Front

What is the significance of the pulmonary arteries?

Back

They carry deoxygenated blood from the heart to the lungs for oxygenation.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and relaxes to help draw air into and push air out of the lungs.