The smallest bone in mammals is_.

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Q: 296 (SSC/NA)
The smallest bone in mammals is_.

question_subject: 

Science

question_exam: 

SSC

stats: 

0,7,2,1,0,1,7

keywords: 

{'smallest bone': [1, 0, 2, 1], 'femur': [0, 0, 1, 0], 'mammals': [2, 0, 2, 2], 'stapes': [1, 0, 0, 0]}

The smallest bone in mammals is the stapes. The stapes bone is located in the middle ear and plays a crucial role in transmitting sound vibrations from the eardrum to the inner ear. It is often referred to as the stirrup bone due to its shape.

Option 1: The septomaxillary bone is not the smallest bone in mammals. It is a bone found in the skull that separates the nasal and oral cavities.

Option 2: The dentary bone is the largest bone in the lower jaw of mammals. It is not the smallest bone.

Option 3: The femur is the longest bone in the mammalian body and is not the smallest bone.

Therefore, the correct answer is option 4 - stapes.

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