Curated OER
Map of the Human Heart
Click on this link and find two animated graphics of the pumping human heart. The path of blood-flow is listed in steps. The connection to the "teacher lesson plan information" does not work, but there are other links to superb resources...
Curated OER
Health - Respiration
Here is an interesting and engaging lesson on the lungs and the respiratory system. In it, fourth graders should gain a better understanding of how the lungs work and the role they play in supporting life. Some good, in-class partner...