Final answer:
The skeleton, specifically the axial skeleton, is the part that includes the head, neck, trunk, and limbs described in the question.
Step-by-step explanation:
The material part of a human that is described as head, neck, trunk, and limbs is known as the skeleton, which is subdivided into two major divisions: the axial skeleton and the appendicular skeleton. The axial skeleton includes the skull, vertebral column, and thoracic cage, which forms the central axis of the body. The appendicular skeleton consists of the pectoral and pelvic girdles, the limb bones, and the bones of the hands and feet. Therefore, the correct answer from the provided options to what is described as head, neck, trunk, and limbs is the axial skeleton (option d).