Ineed this done as soon as possible. me 1. describe three human body systems and how they are used when you are doing exercise such as running, swimming or biking? 2. what are organelles?   describe the role of two organelles within the cell. 3. a new organism was just discovered within the amazon rainforest.   describe how scientists can use the cells of this organism to determine whether it is a plant or animal. a young child has asked you if rocks are living things.   using evidence from this module, how would you explain to this child if the rock is a living organism?