As soon as the death as possible. Parents will most likely need help to deal with the shock of this sudden death.
Your answer: Heart beating.
Heart beating is natural, therefore, this would not be a behavior. But as for the other options, those are behaviors, because those would be on how you would feel personally. But as for the heart beating, this is all natural, and this happens to everyone. Therefore, this would be your answer.
Answer: I think it's c.cerebellum
this is the correct answer because the cranial nerves connect through the brain stem and provide the brain with the sensory input and motor output associated with the head and neck, including most of the special senses. The major ascending and descending pathways between the spinal cord and brain, specifically the cerebrum, pass through the brain stem.
Make sure you are hydrated and protect your skin