Circulatory and Respiratory Systems

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, oxygen, carbon dioxide, and hormones throughout the body.

Front

What are the main components of the circulatory system?

Back

Heart, blood vessels (arteries, veins, capillaries), and blood.

Front

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

Back

To pump blood throughout the body.

Front

How many chambers does the heart have?

Back

Four chambers: two atria and two ventricles.

Front

What is the function of red blood cells?

Back

To deliver oxygen to the body's tissues and remove carbon dioxide.

Front

What is the role of the lungs in the respiratory system?

Back

To facilitate the exchange of oxygen and carbon dioxide during breathing.

Front

What happens to the lungs when you breathe in?

Back

The lungs expand to decrease air pressure, allowing air to flow in.

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 function of capillaries?

Back

To allow the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Tags

NGSS.HS-LS2-3

Front

What is the diaphragm's role in breathing?

Back

To contract and relax, helping to change the pressure in the chest cavity for inhalation and exhalation.