The specific department of health and human services (hhs) regulations that apply to research with children are known as: subpart b: additional protections for children involved as subjects in researchsubpart a: the common rulesubpart d: additional protections for children involved as subjects in researchsubpart c: protections for children in research

Subpart D: Additional Protections for Children Involved as Subjects in Research

Explanation:

Based on the information provided within the question it can be said that the specific department that handles this is Subpart D: Additional Protections for Children Involved as Subjects in Research. Like mentioned in the question this permits IRB's to approve three different categories of research that had to deal with children as research subjects, in which the research could not involve more than the minimal risk level to the children.

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huns attack the empire and drive german peoples ahead of them.

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