Circulatory System Concepts

What is the main job of the circulatory system in the body?

• To help you breathe

• To digest your food

• To transport materials like oxygen and nutrients

• To make your bones strong

Which of these are the main parts of the circulatory system?

• Brain, nerves, and spinal cord

• Heart, blood vessels, and blood

• Lungs, trachea, and diaphragm

• Stomach, intestines, and liver

What are the two main types of circulation in the human body?

• Arterial and Venous

• Pulmonary and Systemic

• Upper and Lower

• Left and Right

How many chambers does the human heart have?

• Two

• Three

• Four

• Five

What is the main job of red blood cells in the blood?

• To fight off germs

• To help blood clot

• To carry oxygen

• To carry water