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Restate the question in your own words, predict the answer before checking the options, and confirm that the explanation and correct-option field both point to Skull (cranium).
Therefore option C, Skull (cranium), is factually consistent with the stem, the marked correct index, and the explanation.✅ Correct Answer: C — Skull (Cranium) The Skull (Cranium) is the bony structure that encases and protects the brain from external injuries. The cranium consists of 8 cranial bones fused together at immovable joints called sutures. The total human skull has 22 bones (8 cranial + 14 facial bones). It also protects the sense organs (eyes, ears, nose). Vertebra — Vertebrae form the spinal column (backbone) and protect the spinal cord, not the brain. Sternum — Sternum (breastbone) is the flat bone in the chest that protects the heart and lungs, not the brain. Rib — Ribs form the rib cage that protects the heart and lungs; they have no role in brain protection. 📝 Important Note: Skull has 22 bones: 8 cranial (protect brain) + 14 facial. Heart lungs are protected by 12 pairs of ribs + sternum.
FAQ
Common questions and clear answers for this topic.
The digestive, circulatory, nervous, and skeletal systems appear most frequently, along with sensory organs and basic endocrine functions.
Yes, the human body has 206 bones, and questions about the largest, smallest, and total bone count appear fairly often.
Questions usually cover blood group compatibility, the role of platelets in clotting, and basic facts about blood pressure and heart function.
No, most questions focus on what each organ does and why, rather than the detailed biochemical processes behind it.
Linking facts to real-life observations, like why pulse is checked at the wrist, makes them easier to recall than memorizing textbook lines.
