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Circulatory System
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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 40
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Vitamins 5
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Genomics 1
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 111
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 20
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 33
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Mycology 16
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Parasitology 50
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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6th Grade Circulatory System Quizzes, Questions & Answers
Think your child knows their 6th grade Circulatory System? Read more
Challenge them with our fun and engaging Circulatory System quizzes! Perfect for reinforcing classroom learning and discovering new facts about the world around them.
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Top Trending Circulatory System Quizzes
The heart is the most important organ in the body and is estimated to beat about 115,000 times each day. The heartbeat allows for blood to be pumped throughout vital organs in the body. Just how good are you when it comes to...
Questions: 21 | Attempts: 4263 | Last updated: Jan 18, 2025
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Sample QuestionWhich chamber receives oxygenated blood from the lungs?
Do you know about blood vessels that are present in the human body? Take our informative quiz on Blood Vessels and answer the questions properly. Welcome to this scientific quiz, where we'll take a look under the surface of...
Questions: 10 | Attempts: 2283 | Last updated: Aug 2, 2025
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Sample QuestionWhich vessel is highlighted?
Explore the structure and function of the human circulatory system, focusing on the heart, blood vessels, and key physiological processes.
Questions: 10 | Attempts: 1457 | Last updated: Mar 21, 2025
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Sample QuestionLe coeur est un muscle qui pompe le sang
The wall of the heart is made of three layers. These include the epicardium, the myocardium, and the endocardium. The pericardium holds it in place, and the right atrium, left atrium, right ventricle, and left ventricle makes up...
Questions: 69 | Attempts: 584 | Last updated: Mar 22, 2025
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Sample QuestionThe Myocardium is the thickest layer of the heart and is the muscular wall of the heart.
Popular Circulatory System Quizzes
The Circulatory System Quiz is designed to assess your knowledge of the vital systems that help blood circulate throughout the body. In this quiz, you will be asked a series of questions related to the anatomy and function of the...
Questions: 29 | Attempts: 134840 | Last updated: Mar 7, 2025
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Sample QuestionWhat organ is responsible for pumping blood in the circulatory system?
Welcome to our Heart Labeling Quiz, where you'll dive into the intricate anatomy of one of the body's most vital organs. This quiz offers an engaging opportunity to explore the structures and functions of the heart in...
Questions: 12 | Attempts: 131566 | Last updated: Dec 28, 2025
Here's a fun and interesting 'blood flow through the heart' quiz for you. Try playing this quiz and test your knowledge about blood circulation and its related concepts. This quiz consists of multiple-choice...
Questions: 26 | Attempts: 39700 | Last updated: Jan 15, 2025
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Sample QuestionWhich chamber does oxygenated blood enter the heart first?
The heart is the most important organ in the body. It is in charge of keeping the processes within the body moving by facilitating the transfer of blood throughout the body. The quiz below is to test out interesting facts you...
Questions: 15 | Attempts: 27835 | Last updated: Oct 4, 2025
Be still my beating heart; it’s time for a wonderful and educational quiz on the most important organ in the human body; the heart! In this one, we’ll be testing your knowledge on just how the heart manages to pump...
Questions: 12 | Attempts: 24523 | Last updated: Oct 4, 2025
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Sample QuestionWhich chamber does oxygenated blood enter the heart first?
This Biology Quiz on Chapter 33 focuses on the Circulatory System, assessing knowledge on components like hemoglobin, heart chambers, blood cell production, and blood flow regulation. It's designed to enhance understanding of how...
Questions: 20 | Attempts: 19945 | Last updated: Mar 18, 2025
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Sample QuestionWhat substance in RED blood cells carries oxygen to the cells?
Recent Circulatory System Quizzes
The Circulatory System Quiz is designed to assess your knowledge of the vital systems that help blood circulate throughout the body. In this quiz, you will be asked a series of questions related to the anatomy and function of...
Questions: 29 | Attempts: 134840 | Last updated: Mar 7, 2025
-
Sample QuestionWhat organ is responsible for pumping blood in the circulatory system?
Welcome to our Heart Labeling Quiz, where you'll dive into the intricate anatomy of one of the body's most vital organs. This quiz offers an engaging opportunity to explore the structures and functions of the heart in...
Questions: 12 | Attempts: 131566 | Last updated: Dec 28, 2025
Here's a fun and interesting 'blood flow through the heart' quiz for you. Try playing this quiz and test your knowledge about blood circulation and its related concepts. This quiz consists of multiple-choice...
Questions: 26 | Attempts: 39700 | Last updated: Jan 15, 2025
-
Sample QuestionWhich chamber does oxygenated blood enter the heart first?
The heart is the most important organ in the body. It is in charge of keeping the processes within the body moving by facilitating the transfer of blood throughout the body. The quiz below is to test out interesting facts...
Questions: 15 | Attempts: 27835 | Last updated: Oct 4, 2025
Be still my beating heart; it’s time for a wonderful and educational quiz on the most important organ in the human body; the heart! In this one, we’ll be testing your knowledge on just how the heart manages to pump...
Questions: 12 | Attempts: 24523 | Last updated: Oct 4, 2025
-
Sample QuestionWhich chamber does oxygenated blood enter the heart first?
This Biology Quiz on Chapter 33 focuses on the Circulatory System, assessing knowledge on components like hemoglobin, heart chambers, blood cell production, and blood flow regulation. It's designed to enhance understanding of...
Questions: 20 | Attempts: 19945 | Last updated: Mar 18, 2025
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Sample QuestionWhat substance in RED blood cells carries oxygen to the cells?
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