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  1. quizlet.com › 10568584 › circulatory-system-flash-cardsCirculatory System Flashcards | Quizlet

    what are 3 main parts of the circulatory system. white blood cells. type of blood cells that defend the body against germs and foreign material. lungs. human heart pumps blood to which organ for oxygenation. arteries. which type of blood vessels carries blood away from the heart to rest of the body. Study with Quizlet and memorize flashcards ...

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  3. brainly.com › question › 26646110The beating sound your heart makes comes from: - Brainly.com

    Feb 17, 2022 · A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.

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  5. quizlet.com › 13477482 › 6-science-circulatory6 Science Circulatory System Flashcards | Quizlet

    Which type of blood vessels carries blood away from the heart? Oxygen makes it red. Why is blood that flows from the lungs to the heart bright red rather than dark red?

  6. newsnetwork.mayoclinic.org › discussion › mayoMayo Clinic Minute: What Heart Sounds Tell Us

    Feb 25, 2016 · The sounds your heart makes are important because they give your doctor insight about your health. For example, if the familiar LUB-DUB of a heartbeat is clouded with a whooshing sound, it means you may have a heart murmur.

  7. quizlet.com › 151441300 › circulatory-system-flash-cardsCirculatory System Flashcards | Quizlet

    Study with Quizlet and memorize flashcards containing terms like How many chambers does the heart have?, The movement of blood through the heart and body is called?, The beating sound that your heart makes comes from? and more.

  8. byjus.com › neet › what-causes-the-heart-soundsHeart Sounds - What Causes it, Different Types of Heart Sounds

    The sounds produced or generated by the beating heart during each cardiac cycle, particularly when the heart valves snap shut, are heart sounds. The sounds specifically indicate the turbulence which is generated during the snapping shut of the valves.

  9. hms.harvard.edu › news › how-heart-starts-beatingHow the Heart Starts Beating | Harvard Medical School

    Sep 27, 2023 · 4 min read. Researchers were surprised to discover that heart cells in developing zebrafish abruptly start beating all at once, and quickly become regular. Here, heart cells are labeled with green fluorescent protein, which becomes brighter when calcium levels spike during each heartbeat. Image: Bill Jia. At a glance:

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    14. the beating sound your heart makes comes from