Circulatory System - Free World U 5th Grade Science

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  • 1/15 Questions

    The heart is made up of _____ chambers.

    • 2
    • 4
    • 6
    • 8
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About This Quiz

Explore the functions of the circulatory system in this engaging 5th grade science quiz from Free World U. Students will learn about the transportation of blood, the vascular system, and other vital functions related to the heart and blood vessels.

Circulatory System - Free World U 5th Grade Science - Quiz

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  • 2. 

    Another function of the circulatory systems is to

    • Store waste

    • Remove waste

    • Create waste

    • Be wasteful

    Correct Answer
    A. Remove waste
    Explanation
    The circulatory system plays a crucial role in removing waste from the body. It transports waste products, such as carbon dioxide and metabolic by-products, to the organs responsible for their elimination, such as the lungs and kidneys. These organs then filter and excrete the waste materials from the body. Therefore, the circulatory system acts as a transportation network for waste removal, ensuring the proper functioning and health of the body.

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  • 3. 

    The heart is made up of the right atrium, left atrium, ______  _______, and left ventricle.

    • Right ventricle

    • Upper ventricle

    • Right atrium

    • Lower atrium

    Correct Answer
    A. Right ventricle
    Explanation
    The heart is made up of four chambers: the right atrium, left atrium, right ventricle, and left ventricle. The right ventricle is responsible for pumping oxygen-depleted blood to the lungs to receive oxygen.

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  • 4. 

    The prefix "cardio" means heart.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The prefix "cardio" is derived from the Greek word "kardia" which means heart. Therefore, the statement is true as the prefix "cardio" is commonly used in medical terms to refer to the heart or cardiovascular system.

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  • 5. 

    The main artery that carries blood to the body is called the __________.

    • Aorta

    • Atrium

    • Ventricle

    Correct Answer
    A. Aorta
    Explanation
    The aorta is the main artery that carries oxygen-rich blood from the heart to the rest of the body. It is the largest artery in the body and originates from the left ventricle of the heart. The aorta branches out into smaller arteries, which supply blood to various organs and tissues throughout the body.

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  • 6. 

    The circulatory system distributes _________ and nutrients to the body's cells through the pumping of blood.

    Correct Answer
    oxygen, oxygenated blood
    Explanation
    The circulatory system distributes oxygen and nutrients to the body's cells through the pumping of blood. Oxygen is essential for cellular respiration, which is the process that produces energy for the cells. Oxygenated blood refers to blood that is rich in oxygen and is carried by the arteries to the body's tissues. Both oxygen and oxygenated blood play a crucial role in supplying the cells with the necessary resources for their proper functioning.

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  • 7. 

    Check all that are true of the heart.

    • Muscle

    • Fist sized

    • Weak

    • Strong

    • Head sized

    • Pump

    Correct Answer(s)
    A. Muscle
    A. Fist sized
    A. Strong
    A. Pump
    Explanation
    The heart is a muscle that is approximately the size of a fist. It is strong and acts as a pump, continuously circulating blood throughout the body.

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  • 8. 

    Most veins carry blood that is ______ in oxygen.

    • Low

    • High

    Correct Answer
    A. Low
    Explanation
    Veins carry blood back to the heart, and the blood in veins has already passed through the body's tissues and organs, delivering oxygen and nutrients. Therefore, veins contain blood that is low in oxygen because the oxygen has been used up by the body's cells.

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  • 9. 

    Blood vessels that connect arteries to veins are called __________.

    Correct Answer
    capillaries
    Explanation
    Capillaries are the smallest blood vessels in the body that connect arteries to veins. They have thin walls which allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. Capillaries play a crucial role in delivering oxygenated blood to the tissues and removing waste products, making them essential for maintaining proper bodily function.

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  • 10. 

    The circulatory system is responsible for transporting _______ to all parts of the body.

    Correct Answer
    blood
    Explanation
    The circulatory system, also known as the cardiovascular system, moves blood throughout the body. This system ensures the delivery of oxygen and nutrients to cells and the removal of carbon dioxide and other wastes, thus maintaining homeostasis and overall health.

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  • 11. 

    Two of the names for the system that is responsible for pumping blood throughout the body are...

    • Cardiovascular system

    • Ventricular system

    • Vascular system

    • Circulatory system

    Correct Answer(s)
    A. Cardiovascular system
    A. Circulatory system
    Explanation
    The cardiovascular system is responsible for pumping blood throughout the body, while the circulatory system refers to the movement of blood through the vessels. These two terms are used interchangeably to describe the same system. The ventricular system, on the other hand, refers to a system in the brain that consists of interconnected cavities and plays a role in cerebrospinal fluid production. The vascular system refers specifically to the network of blood vessels in the body.

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  • 12. 

    Oxygenated blood is returned to the heart which pumps it to the lungs to be re-oxygenated.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Oxygenated blood is not returned to the heart. Deoxygenated blood is returned to the heart through the veins, and then the heart pumps it to the lungs where it gets oxygenated.

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  • 13. 

    What carries blood away from the heart?

    • Veins and arteries

    • Aorta and valves

    • Aorta and arteries

    • Veins and aorta

    Correct Answer
    A. Aorta and arteries
    Explanation
    The aorta and arteries carry blood away from the heart. The aorta is the largest artery in the body and it receives blood directly from the heart's left ventricle. From the aorta, the blood is distributed to various arteries throughout the body, which then carry oxygenated blood to different organs and tissues. Arteries have thick, elastic walls that help maintain blood pressure and facilitate the flow of blood away from the heart. Therefore, the aorta and arteries are responsible for transporting oxygenated blood away from the heart to nourish the body's cells.

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  • 14. 

    ___________ have valves to keep blood flowing in one direction.

    • Arteries

    • Veins

    • Capillaries

    Correct Answer
    A. Veins
    Explanation
    Veins have valves to keep blood flowing in one direction. This is because veins carry blood back to the heart, against gravity. The valves prevent the backflow of blood and ensure that it moves only towards the heart. Arteries, on the other hand, carry oxygenated blood away from the heart and do not require valves as the blood flow is propelled by the pumping action of the heart. Capillaries, the smallest blood vessels, connect arteries and veins and do not have valves as they function mainly in the exchange of oxygen and nutrients between the blood and tissues.

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  • 15. 

    Relating to the vessels, veins and arteries that pump blood throughout the body.

    • Circulatory

    • Cardio

    • Vascular

    • Oxygenated

    Correct Answer
    A. Vascular
    Explanation
    The term "vascular" is the correct answer because it specifically relates to the blood vessels that transport blood throughout the body. It encompasses both veins and arteries, which are responsible for circulating oxygenated blood to various organs and tissues. The term "circulatory" is too general and does not specifically refer to the blood vessels. "Cardio" is a prefix that relates to the heart, but does not encompass the entire system of blood vessels. "Oxygenated" refers to the state of the blood, but does not encompass the entire system of vessels.

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  • May 09, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 19, 2012
    Quiz Created by
    Jsannipoli
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