MotivationGet two empty bottles and two insects (butterfly, crickets, housefly).Place each of them in an empty bottle and close tightly. Observe what will happen to the insect.
Presentation:
Watch the video clip Respiratory System for Kids (Breathing) from www.makemegenius.com.
Concept Formation:Respiration is the process by which the human body takes in oxygen, oxidizes to unlock the stored energy, and releases carbon dioxide and water vapor.
Concept FormationThe respiratory organs include the nostrils, the trachea, the bronchial tubes and the lungs.The nostrils allow air to pass in and out of the body.
Application
Now you know that the respiratory system takes care of our breathing. Air is very important for our respiratory system to function. How can we have a clean air to exhale?