The starting of the process was to cut open into the deep internal in the lumbar regions started and the study of the integumentary system to see if there was a change of skin color, pale skin. Which he noticed she began to get paler as she was laughing more and more. Exam of the anterior, interior and posterior started to see if only the facial paling only happened. The conclusion of pale skin was positive for all three. So, this came to a conclusion something got stuck in the lungs. To compose out the 'something' that causes deep bacterial damage and the veins of the lungs bursting, another autopsy test messing with skeletal and deep cardiovascular in pectoral area started with inspecting to see the hiding of an object in the heart, to help the autopsy they used the study of the hematology which is the science or study of blood, blood-forming organs and blood diseases with the help of this study the examiners figured out the conclusion and the diagnoses of the death.
The cause of the death of Marsha Marshmallow and the mystery case of laughing to death was the founding of glass in her lungs in medial this caused the lungs to collapse and burst at the moment because of the sharpness and bacterial damage of the glass and it caused internal bleeding which made the mass of the body stop communicating which lead to the sudden death. It is still unknown on where and how the glass was located