If you're looking for a comprehensive guide to the first and second rounds of the third preparatory year lessons in Life and Earth Sciences, then "علوم الحياة والارض 3 اعدادي" by moro dev is the perfect app for you. This app is available for Android users and is completely free.

The app includes summaries of the first part of the first round, which covers the functions of the digestive system, lessons on nutrition and dietary education, and nutritional molecules. Additionally, the app provides summaries of the lessons on the respiratory and circulatory systems, as well as the last lesson in the first round, which discusses urinary excretion. The app presents these lessons in the form of diagrams, charts, and images with high quality and simple explanations.

Moreover, the app also covers lessons on the protection of the digestive and respiratory systems. Overall, "علوم الحياة والارض 3 اعدادي" is an excellent app for anyone looking to learn more about Life and Earth Sciences in an accessible and comprehensive way.