Added heartbeat SFX to doggie surgery scene. And also dead doggie.

Assets/Scripts/DelayEvent.cs

@@ -0,0 +1,19 @@
+using UnityEngine;
+using UnityEngine.Events;
+
+public class DelayEvent : MonoBehaviour
+{
+    [SerializeField] private float _delayInSeconds;
+    [SerializeField] private UnityEvent _event;
+
+    public void InvokeDelayed()
+    {
+        Invoke(nameof(InvokeEvent), _delayInSeconds);
+    }
+
+    private void InvokeEvent()
+    {
+        _event?.Invoke();
+    }
+
+}

Assets/Scripts/DelayEvent.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 1428aa8d322816b65abbe1103c4dda45