Circulatory System

What is the liquid part of the blood that carries digested food and important materials to the cells?

What are the blood vessels that carry blood away from the heart?

What is a thin flap of tissue that acts like a one-way door in the heart?

Which system breaks down foods and liquids into smaller pieces and absorbs nutrients?

What part makes up most of our blood vessels?

What are the blood cells that help fight infections?

What is the main organ that pumps blood throughout the body?

What are the blood vessels that carry blood back to the heart?

What is the process by which oxygen is taken into the body and carbon dioxide is expelled?

What is the name of the system that includes the heart and blood vessels?