8B respiration
    Here are the learning objectives for this topic:

    I can
    • Test for carbon dioxide
    • Explain the differences between inhaled and exhaled air
    • Label a lung diagram
    • Label a heart diagram

    I understand
    • How air is moved in and out of our lungs
    • How oxygen from the air gets into our blood
    • That there are differences between the air we breathe in and the air we breathe out
    • That glucose in the blood comes from digestion of food we eat
    • That the heart pumps blood round the body
    • That cells need energy for moving, growing and keeping warm
    • The word equation for aerobic respiration
    • That carbon dioxide is released into the blood and goes back to the lungs in veins to be breathed out

    useful respiration websites

    Try Doc Brown´s quiz.

    Revise respiration on Bitesize.

    Revise the respiratory system on Bitesize.

    Revise gas exchange on Bitesize.

    Watch this excellent breathing animation.

    Clck here to go to an animated tour of the heart. This is the website we use in class that says how many litres of blood is pumped as you watch. 

    watch this video about how the heart works

    watch this video about how heart-Lung machines work

    Surgeons can stop a person´s heart to operate on it as they connect the person to a Heart-Lung machine during a heart bypass