The Circulatory System: Heart and Blood Flow
This worksheet illustrates the heart chambers, valves, and blood vessels. Activities include tracing oxygenated and deoxygenated blood paths, plus matching terms like arteries and veins to their roles in transporting nutrients and waste.
This asset is part of Free Printable Science Worksheet: Body Systems for Kids published by SheetForge. Licensed under CC BY 4.0 — Free for personal use. Free to use with attribution.