Simulating Two Different Blocks with Delay

I assume that I have two subsystem in the same Simulink enviroment, for example, I want to simulate the first one for 10 seconds then the second one for another 10 seconds. But the only one block should be simulated currently? How can I do that?

Answer 1

[Azzi Abdelmalek]

you can use enabled subsystem

[Mehmet Kivanc Çelik]

thank you for the quick reply..