Circulatory System

Front

What is the main organ of the circulatory system?

Back

The heart is the main organ of the circulatory system.

Front

Do veins carry oxygen poor blood back to the heart?

Back

True, veins carry oxygen poor blood back to the heart.

Front

How does the heart work?

Back

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

Front

What is the job of the heart?

Back

The job of the heart is to pump blood around the body.

Front

Do arteries carry oxygen rich blood away from the heart?

Back

True, arteries carry oxygen rich blood away from the heart.

Front

What are arteries?

Back

Arteries are blood vessels that carry oxygen-rich blood away from the heart.

Front

What are veins?

Back

Veins are blood vessels that carry oxygen-poor blood back to the heart.

Front

What is blood?

Back

Blood is a fluid that carries oxygen, nutrients, and waste products throughout the body.

Front

What is the function of red blood cells?

Back

Red blood cells carry oxygen from the lungs to the rest of the body.

Front

What is the function of white blood cells?

Back

White blood cells help the body fight infections and diseases.