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The Human Body

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  • These organisms are able to survive without the help of other cells
    unicellular organisms
  • Living things made of more than one cell are called....
    multicellular organisms
  • The cells of these organisms cannot survive on their own.
    Multicellular organisms
  • The 2 things that every cell in our body needs.
    Oxygen and nutrients
  • Which organ pumps blood throughout the body?
    heart
  • These blood vessels carry oxygen away from the heart to all the cells of the body.
    Arteries
  • What is the large tube that connects the mouth to the stomach called?
    esophagus
  • Another word for the trachea.
    Windpipe
  • Which intestine is fatter?
    large intestine
  • What gas do we exhale (breath out)?
    carbon dioxide
  • These organisms have specialized cells (they only have one job they know how to do
    multicellular organisms
  • Which intestine is the longest?
    small intestine
  • These blood vessels carry carbon dioxide back to the heart and lungs.
    Veins
  • What gas do we inhale (breath in)?
    oxygen
  • The first place digestion of food begins
    mouth
  • Which system does the circulatory system work closely together with?
    Respiratory system
  • Which of these organs is NOT part of the digestive system?
    trachea
    large intestine
    esophagus
    small intestine
  • What part of the digestive system chews the food?
    teeth
  • Why can bateria survive without the help of other organisms?
    because their cells are larger than cells of other organisms
    because they are multicellular
    because they are a specific kind of plant
    because they can carry out all life processes
  • This long, stretchy pipe connects our mouth to our stomach
    esophagus
  • What is the liquid in your mouth called?
    saliva
  • Living things made of only one cell are called....
    unicellular organisms
  • What is the main organ used for breathing?
    lungs
  • Correctly name the order food travels through the digestive system.
    Mouth, esophagus, stomach, small intestine, large intestine
  • Which system is responsible for breathing?
    respiratory system
  • The waste gas that our body does not need
    carbon dioxide
  • The digestive system breaks down our food into...
    oxygen and carbon dioxide
    nutrients and oxygen
    oxygen and nutrients
    nutrients and waste
  • The gas that every cell in our body needs
    oxygen
  • Which of these are parts of the respiratory system?
    stomach and esophagus
    muscles and nerves
    lungs and mouth
    heart and blood
  • What is the liquid is inside your stomach that breaks down food?
    acid
  • Which system is responsible for circulating blood throughout the body?
    circulatory system
  • What is the main purpose of the digestive system?
    to break down food into nutrients and energy