Circulatory System

Front

What are red blood cells?

Back

Red blood cells are cells in the blood that carry oxygen and give the blood its red color.

Front

What is the main function of the circulatory system?

Back

The circulatory system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues.

Front

What are white blood cells?

Back

White blood cells are cells in the blood that help fight germs like bacteria and viruses.

Front

What is the circulatory system made up of?

Back

The circulatory system is made up of the heart, blood vessels, and blood.

Front

How does the circulatory system work with the digestive system?

Back

The circulatory system works with the digestive system to obtain energy from nutrients that we eat.

Front

What is plasma?

Back

Plasma is the liquid component of blood that carries cells, nutrients, hormones, and waste products.

Front

What role do platelets play in the circulatory system?

Back

Platelets are small cell fragments in the blood that help with blood clotting to prevent bleeding.

Front

What is the heart's function in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients to tissues and organs.

Front

What are blood vessels?

Back

Blood vessels are the network of tubes (arteries, veins, and capillaries) that carry blood throughout the body.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart.