The Human Body Basics

What’s inside

• Which organ is primarily responsible for pumping blood throughout the human body?
• Which structure controls most activities of a human cell?
• What is the main function of red blood cells?
• Which part of the digestive system absorbs most nutrients from digested food?
• Match each organ with its primary function.
• Match each body system with a structure that belongs to it.
• Match each type of blood vessel with its characteristic role.
• Match each major body system with its primary function.