There are two definitions of respiration. The biological definition is making energy for cells by burning food. The medical definition of respiration is breathing. This page has information about both types of respiration. The circulatory and respiratory systems are also featured here because they are vital to cellular respiration.
MooMoo Math and Science gives a concise explanation of what cellular respiration is and what is involved.
BBC Bitesize has information about cellular respiration (making energy from food and oxygen) at secondary school level.
This Kids Health video has some basic information about how the lungs work to get oxygen into the body.
This parody has information about the respiratory system.
Use this song for the song lyrics task.
This website has an advanced explanation of the parts and function of the respiratory system.
Watch these two videos to find out how fish get oxygen into their bodies.
This song details how the heart works.
This song talks through the path of blood through the circulatory system.
Use this song for the Song Lyrics task.
This site contains advanced information about the heart and circulatory system.
Read this Britannica article about how insects circulatory systems work.