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Circulatory System Test Practice

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  • The blood vessels that carry blood from the body back to the heart are the _____.
    veins
  • The gas that all of our cells need is _____.
    oxygen
  • The lower chambers on each side of the heart are called _____.
    ventricles
  • The number of times your heart beats in a minute is your ______.
    heart rate
  • A small flap of tissue that prevents blood from flowing backwards is called a _____.
    valve
  • The blood vessels that carry blood from the heart to all parts of the body are the _____.
    arteries
  • The push of blood through the blood vessels each time your heart beats is your _____.
    pulse
  • The liquid part of blood that dissolves proteins, sugars, and nutrients is the ______.
    plasma
  • The part of blood that helps fight disease and infection is the ______.
    white blood cell
  • The largest artery in the body is the _____.
    aorta
  • The part of blood that has a concave shape and is able to squeeze through capillaries is the ______.
    red blood cell
  • The circulatory system consists of the _____, blood vessels, and ____.
    heart, blood
  • The gas that is carried away back to the heart is called _________.
    carbon dioxide
  • What are the three main types of blood vessels?
    arteries, veins, and capillaries
  • T or F? Blood is pumped to the lungs by the right side of the heart.
    True
  • The hollow muscular organ that has walls made of strong muscle is called the _____.
    heart
  • The top chambers on each side of the heart are called _____.
    atrium
  • T or F? Blood only flows in one direction.
    True
  • The part of blood that carries oxygen to all parts of the body is the ______.
    red blood cell
  • The smallest blood vessels connecting the arteries and veins are the ______.
    capillaries
  • The largest veins in the body are the _______.
    venae cavae
  • Small fragments of a blood cell that help form blood clots are the ______.
    platelets
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