The document outlines the key features and functionality of a blood donation system, including two types of users (donors and patients), registration for both, login, searching for donors by blood group and location to find the nearest match, sending donation requests to donors with their contact details, donors being marked as unavailable after donating, and use cases for common activities like searching for blood, making requests, and donor/patient profiles.

1. List of the features our system should have:
1. There will be two types of user (Donor and Patient)
2. Donor and patient registration
3. Login System
4. Search available donor by Blood group and location
5. Show nearest donor with distance and place
6. Send request to the donor and show donor contact number
7. Donor and patient can contact each other
8. Donors will unavailable after their donation

2. E-R Diagram:

3. Use Case For Patient Activity:

4. Use Case For Blood Search Activity:

5. Use Case For Donor Activity:

6. Use Case For Blood Request Activity:

7. Login Activity:

8. Patient Activity:

9. Search Blood Activity:

10. Patient Information in Blood Search:

11. List of Available Donor with nearest distance:

12. Donor Activity:

13. Received Request List:

14. Sent Request List: