As we approach the end of this new online frontier, the grade 11 biology class has completed its second to last unit, The Anatomy of Mammals. We broke the unit into three parts, the first being the anatomy of various body systems. The unit began with an in-depth look at the circulatory system, exploring its various components (the heart, blood vessels, and blood cells), their structures and functions. Next, we looked at the respiratory system and finished off part one by taking a voyage through the digestive system. Once the three body systems were explored, we moved into part two of the unit and discussed how different body systems interact with one another. We finished off the unit by examining the impacts our choices have on our body systems.