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  • Your Heart & Circulatory System for Kids

    ... It's Great to Circulate. You ... heart. It moves through many tubes called arteries
    and veins, which together are called blood vessels. ...

  • Heart Murmurs for Kids

    ... heart. It sounds sort of like the noise of water flowing through a hose. ... body.
    It sits inside the chest and is protected by the ribcage. ...

  • Heart and Circulatory System for Parents

    ... the heart. It enters the heart in the left atrium, then fills the left ventricle
    so it can be pumped into the systemic circulation. ...

  • Heart Murmurs and Your Child for Parents

    ... innocent. This diagnosis means the murmur is produced by a normal,
    healthy heart. It can come and go throughout childhood. ...

  • Congenital Heart Defects for Parents

    ... The patent foramen ovale is a normal hole between the upper chambers
    of the heart. It usually closes in the first few months of life. ...

  • E-Cigarettes for Teens

    ... It was once even used as an insecticide to kill bugs. Nicotine affects your brain,
    nervous system, and heart. It raises blood pressure and heart rate. ...

  • E-Cigarettes for Parents

    ... It was once even used as an insecticide. Nicotine affects the brain, nervous
    system, and heart. It raises blood pressure and heart rate. ...