End of Topic Test - The Cardio-Respiratory System

Test yourself on End of Topic Test - The Cardio-Respiratory System

• What do we call the tiny air sacs found at the end of the bronchioles in the lungs?

• Which gas travels from the blood into the alveoli?

• Characteristics of veins

• What do we call the tiny network of blood vessels that link the arteries and veins?

• The atria are the top 2 chambers of the heart. Which of the following describes the role of the left atrium?