Number of bones in the skull:
Correct answer: A. 22
- A. 22
- B. 26
- C. 24
- D. 28
Explanation
The human skull is composed of 22 bones. These bones include 14 facial bones (a pair of maxilla, mandible, vomer, nasal, a pair of zygomatic, a pair of conchae, a pair of lacrimal and a pair of palatine) and 8 cranial bones (frontal, a pair of parietal, a pair of temporal, occipital, sphenoid and ethmoid.) As per the NUMS answer key 22 is the correct answer. The skull has 22 bones the 6 earbones are not included in the skull bones.
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About Support and Movement
Support and movement covers the axial and appendicular skeleton, bone structure, joints and the arrangement of skeletal muscles. Muscle contraction is explained through actin, myosin, sliding filaments, calcium ions and ATP, while arthritis is distinguished as a disorder of joints rather than a normal part of movement.
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