Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

14 Cards in this Set

  • Front
  • Back
Your body is made up of tiny building blocks called cells. Cells are specialized, which means that they do a specific job.
Cells of the same kind form structures called tissues.
Tissues are the materials that form organs, such as the heart, brain and lungs.
Organs work together to form systems.
Blood travels away from the heart in passages called arteries.
The blood moves toward the right side of the heart in passages called veins.
respiratory system
The system in your body that allows you to breathe is called the respiratory system. It allows your body to take in and get rid of the materials that your cardiovascular system circulates.
The air travels through your chest in a tube called the trachea
digestive system
Your digestive system is the system that allows your body to make use of the food you eat
a tube that squeezes tiny balls of food down to your stomach
small intestine
The small intestine breaks down the food mixture so your body can absorb the nutrients it needs
nervous system
The nervous system controls the functions of your body. It is made of the brain, the spinal cord, and a huge system of nerves.
an action that you do without thinking about it is a reflex. A reflex is an act that protects you, such as blinking your eyes if something comes toward them.
which are long nerve cells, receive information from the environment—for example, that the surface of a stove is hot