public static void AddBlood(List <Blood> bloodStorageList, int time) // Adds blood with expDate dependent on type of Supply
{
var newBlood = new Blood(time);
bloodStorageList.Add(newBlood); // Add blood to the storage
}
public static void AddBlood(List <Blood> bloodStorageList) // returns reference to object Blood
{
var newBlood = new Blood(Event.Rnd.Next(1, 11)); // inside Rnd Next there's Expiration Date
bloodStorageList.Add(newBlood); // First blood fill into the storage
}