Are you looking for an online unit in Google Apps, perfect for Distance Learning on Human Systems?
This Google product on Human Systems provides your students with informational text passages, interactive activities, videos, response pages, a lab, and a quiz. Students will make arguments from evidence and will learn about the organization of the human body: cell-tissue-organ-system. They will learn that the human body has systems and each system is a collection of subsystems comprised of specialized cells and tissue. This is an online unit in Google Slides. Perfect for Google Classroom. This resource is formatted horizontally to make it easier to use on a device. Students will be able to write and record ideas and drag and drop in the interactive features right on the slides in edit mode. This resource is a great follow up to Cells Structure and Function for Middle School.
The Digestive System Paperless Unit
Human Systems for Middle School
You might also be interested in teaching your students about chemical digestion and cellular respiration.