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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
Recent 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?
How well do you understand your heart's pulse rate? Take our "Pulse Rate Quiz" to test your knowledge about the human heart and cardiovascular health. This quiz includes 10 carefully designed questions that cover a...
Questions: 10 | Attempts: 4193 | Last updated: Sep 5, 2025
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Sample QuestionAverage pulse rate for adult female
School Prep to make a quiz our game testing you on the heart. Created by Aaran Daniel Bl.
Questions: 11 | Attempts: 313 | Last updated: Mar 21, 2025
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Sample QuestionWhich of these is not a reason we have blood, pumped round our body by the Heart?
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.
This quiz on the Anatomy of Blood Vessels explores the structure and function of the vascular system. It assesses understanding of how blood travels through arteries, arterioles, capillaries, venules, and veins, emphasizing their...
Questions: 9 | Attempts: 442 | Last updated: Jan 22, 2025
The heart is incontrovertibly an essential organ inside of us. Without it, we would cease to exist. This quiz is a multiple-choice test on the heart and the factors that influence it. You will need to know the heart's...
Questions: 15 | Attempts: 14071 | Last updated: Oct 4, 2025
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Sample QuestionThe human heart weighs ________________________________________.
The Atria and Ventricles have specific functions within the heart. Two are designed to pump oxygenated blood while the other two pumps deoxygenated blood in and out of the heart. This quiz tests your knowledge on the four...
Questions: 5 | Attempts: 2118 | Last updated: Mar 22, 2025
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Sample QuestionThe human heart has _________________chambers.
Blood vessels are part of the circulatory system and transmit blood throughout the body. These vessels are classified into three. Arteries for example carry blood away from the heart, capillaries enable exchange of water and...
Questions: 7 | Attempts: 1659 | Last updated: Jan 22, 2025
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Sample QuestionWhich artery wall is responsible for vasoconstriction?
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?
Put your knowledge of blood circulation to the test with our Human Biology Quiz focused on the human circulatory system! This quiz will challenge your understanding of how blood flows through the heart, arteries, veins, and...
Questions: 60 | Attempts: 562 | Last updated: Oct 15, 2025
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Sample QuestionThis is liquid with all dissolved material.
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