Circulatory System

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, oxygen, and waste products throughout the body.

Front

What organ is primarily responsible for pumping blood in the circulatory system?

Back

The heart.

Front

What are blood vessels?

Back

Tubes that carry blood throughout the body, including arteries, veins, and capillaries.

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 role of red blood cells?

Back

To carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

Front

What is the role of white blood cells?

Back

To help the body fight infections and diseases.

Front

What is plasma?

Back

The liquid component of blood that carries cells, nutrients, hormones, and waste products.

Front

How does the heart contribute to the circulatory system?

Back

The heart pumps blood throughout the body, maintaining circulation.

Front

What is the significance of measuring pulse?

Back

It indicates the heart rate and can reflect overall health.

Front

Why do multicellular organisms need a circulatory system?

Back

To efficiently transport nutrients and oxygen to cells and remove waste products.