Worksheet Lesson 2 – Circulation & The Heart Watch the video in the PowerPoint file. Fill in the questions related to the heart, major vessels and blood flow. 1) What are veins? 2) What are arteries? 3) What is meant by deoxygenated blood? 4) What is meant by oxygenated blood? 5) Fill in the following table: Vessel Superior Vena Cava Inferior Vena Cava Pulmonary Artery Pulmonary Veins Aorta 6) What is the purpose of the heart valves? Receives Blood From: Sends Blood To Worksheet Lesson 2 – Circulation & The Heart