Multiple Choice
Which of the following is not a component of the skeletal system?
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7. The Skeletal System
Introduction to the Skeleton
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How many pairs of thoracic spinal nerves are there in the human body?
A
14 pairs
B
8 pairs
C
12 pairs
D
10 pairs
Verified step by step guidance1
Understand that the human spinal cord is divided into different regions: cervical, thoracic, lumbar, sacral, and coccygeal.
Recognize that each region of the spinal cord has a specific number of spinal nerve pairs associated with it.
Recall that the thoracic region of the spinal cord is located in the upper and mid-back, corresponding to the chest area.
Identify that the thoracic region specifically has 12 pairs of spinal nerves, which are labeled T1 through T12.
Conclude that the correct number of thoracic spinal nerve pairs in the human body is 12 pairs.
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