Circulatory System
The human circulatory system consists of vessels, muscles and organs that help and control the flow of the blood and lymph around the body. It is collectively composed of the cardiovascular system and the lymphatic system with the heart, arteries, capillaries, veins and the blood being the main parts. The circulatory system moves nutrients, gases, and wastes to and from cells to maintain homeostasis. It helps fight diseases, maintains body temperature and pH.
Play Quiz Games :| Grades | Quiz Games (with special printable formats for classroom use) | ||
|---|---|---|---|
| 5th - 8th | Circulatory System Quiz #1 | Quiz on Blood Vessels | Our Circulatory System |
| Circulatory System Quiz #2 | Human Heart Quiz #1 | Blood Cells Quiz | |
| 7th - 12th | Human Heart Quiz #2 | Quiz on Blood | Pulmonary Circulation |
| Human Heart Quiz #3 | Quiz on Blood Groups | Circulatory Fun Quiz! | |
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Science Games, Diagrams & Activities :  Label the Diagram of Circulatory System |  Jigsaw Puzzles |  Slide Puzzles |
| Label the Diagram of Human Heart | ||
 Flow Chart Games - Blood Flow through Human Heart | ||
 Vocabulary Games - Circulatory System | ||
Pictures & School Presentations : 
| Presentations on Circulatory System : |
Science Videos & Lessons: (Reviewed by K-12 teachers) Circulatory System Grade: 3 - 12 A lesson about the human circulatory system, its functions and how it works in the human body. 3:00 |
The Circulatory System Grade: 5 - 12 The lesson covers the circulatory system in humans. It discusses open and closed circulatory systems and 2, 3, and 4-chambered hearts. It describes the flow of blood through the human heart and the blood vessels. Also learn about the major components of blood and the causes of heart attacks. 11:30 |
Circulation Grade: 5 - 12 Circulatory system lesson for kids. The lesson explains the big model: artery, veins, aorta, etc. 3:55 |
How the Heart Works Grade: 5 - 12 Animated presentation showing the inner structure of human heart, and how the human heart works. 3:15 |
Heart Anatomy Grade: 5 - 12 A doctor walks you through an animated video about the amazing human heart. 3:30 |
Heartbeat Animation Grade: 3 - 12 Animated lesson that explains how a normal heart pumps blood. 1:00 |
Types of Blood Vessels Grade: 3 - 12 The video describes the different types of blood vessels, and explains how their role and function in the body. 1:10 |
What is Blood? Grade: 3 - 12 Have you ever asked - what is blood? Learn about the function and composition of human blood. 2:25 |
How Does Blood Clot? Grade: 5 - 12 Learn how the blood clots, and why it is so important. 2:00 |
Tell Me Why: Blood Types Grade: 5 - 12 Have you ever wondered why humans have four different blood types? This video has the answer. 2:10 |
Blood: Path of a Red Blood Cell Grade: 3 - 12 Follow the path of a red blood cell as it flows through the body. 2:20 |
Circulatory System and the Heart Grade: 5 - 12 Circulatory system for kids - Introduction to the circulatory system and the heart. 15:00 |
How the Body Works : The Lymphatic System Grade: 5 - 12 Lesson on human lymphatic system. 0:45 |
Lymphatic System Grade: 5 - 12 Overview of the lymphatic system. 0:55 |
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