Pathogens & the first line of defense (2025)
First, pathogens are considered and in the first activity students research and classify microorganisms into pathogens and non pathogens. Then the body's first line of defense against pathogens are explored. Finally, students sequence and explain the events of the chemical cascade which leads to the formation of a blood clot or scab using SOLO hexagons. This is followed by a short extension activity outlining an...