circulatory system

Front

What is the main function of the circulatory system?

Back

To transport blood, nutrients, and gases throughout the body.

Front

Which system works with the circulatory system to provide oxygen to the body?

Back

Respiratory system.

Front

How does the heart function in the circulatory system?

Back

It pumps blood first to the lungs, back to the heart, and then around the rest of the body.

Front

What does the circulatory system deliver to muscles for energy?

Back

Oxygen.

Front

What is blood primarily composed of?

Back

Red blood cells, white blood cells, plasma, and platelets.

Front

What role do red blood cells play in the circulatory system?

Back

They carry oxygen from the lungs to the body's tissues and transport carbon dioxide back to the lungs.

Front

What is the purpose of the heart's valves?

Back

To ensure blood flows in one direction through the heart.

Front

What is the largest artery in the body?

Back

The aorta.

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 function of capillaries in the circulatory system?

Back

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