Study

3rd Grade Human Body Systems

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  • How many months do babies grow before they are born?
    Nine months
  • What organ do babies develop inside of?
    The uterus.
  • What is this part of the body?
    The stomach.
  • What system permits us to produce other human beings?
    The reproductive system.
  • Name the parts of the digestive system.
    The oesophagus, stomach and intestines.
  • What is this organ?
    The heart.
  • What organ transports blood through the body?
    The blood vessels.
  • What does the respiratory system do?
    It takes oxygen into the body and releases carbon dioxide.
  • Name the parts of the respiratory system.
    The trachea and lungs.
  • Name the parts of the circulatory system.
    The heart and blood vessels.
  • What organs are these?
    The lungs and trachea.
  • Which system does this organ belong to?
    The digestive system.
  • What organ produces eggs in females?
    The ovaries.
  • Which system do these organs belong to?
    The circulatory system.
  • What is produced in the testes?
    Sperm
  • Which system does this organ belong to?
    The digestive system.
  • Which system does this organ belong to?
    The digestive system.
  • What organ is this?
    The intestines.
  • Which system do these organs belong to?
    The respiratory system.
  • What does the digestive system do?
    It breaks food into smaller pieces for the body to absorb.
  • What does the circulatory system do?
    It transports blood around the body.
  • What is this organ?
    The oesophagus.