Circulatory System

Front

What type of blood do veins carry back to the heart?

Back

Oxygen-poor blood.

Front

What type of blood do arteries carry away from the heart?

Back

Oxygen-rich blood.

Front

What is the primary function of veins in the circulatory system?

Back

To carry blood back to the heart.

Front

Describe the pathway of blood through the heart and body.

Back

Blood is pumped from the heart to the lungs, then back to the heart, and finally around the rest of the body.

Front

What is the main organ of the circulatory system?

Back

The heart.

Front

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

Back

To pump blood throughout the body.

Front

What are the two main types of blood vessels in the circulatory system?

Back

Arteries and veins.

Front

How do arteries differ from veins in terms of blood flow direction?

Back

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

Front

What is the significance of oxygen-rich blood?

Back

It supplies oxygen to the body's tissues and organs.

Front

What is the significance of oxygen-poor blood?

Back

It carries carbon dioxide and other waste products back to the heart and lungs for removal.