Complex sentence: Pasque flower is highly toxic, and produces cardiogenic toxins and oxytoxins which slow the heart in humans, and has been used as a medicine by Native Americans for centuries.
Split into simpler sentences: Pasque flower is highly toxic, and produces cardiogenic toxins and oxytoxins which slow the heart in humans. Part 2-Herbal Corrections for Mood Imbalances It has been used as a medicine by Native Americans for centuries.