A child asking about what happens to the body after a sibling's death would be considered:

A child inquiring about what happens to the body after a sibling's death reflects a natural curiosity and a desire to understand a painful reality. This behavior can be seen as a natural response to grief, as children often process loss in different ways and seek to make sense of their emotions and the world around them.

By asking such questions, the child is engaging in a vital part of their grieving process, which may involve seeking reassurance, clarity, and a way to navigate their feelings of loss. This inquisitiveness is not an unusual or negative behavior; rather, it indicates that the child is attempting to come to terms with the concept of death and its implications.

Interactions surrounding grief can vary across different children based on their age and maturity, but it is essential to recognize that such questions are typically an expected aspect of coping with loss. This understanding can guide caregivers and adults in responding to the child's inquiries with empathy and honesty, providing the supportive communication necessary during such a challenging time.