Question
Explain the vertebral column in detail. Mention any two functions of the vertebral column. [5 MARKS]
Answer:
:
Vertebral column : 3 Marks
Functions : 2 Marks
Any three:
Functions (any two) :
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:
Vertebral column : 3 Marks
Functions : 2 Marks
Any three:
- Vertebral column running at the back of the body is also called as spine or the backbone.
- It is in the trunk region to offer support to the upper part of the body.
- Vertebral column is made up of individual bones called as vertebrae.
- Total vertebral column consists of 7 cervical vertebrae, 12 lumbar vertebrae, 5 fused sacral and 3 fused coccygeal vertebrae.
- Vertebral column runs from the base of the skull to the hip bone forming a tube. Spinal cord passes through this hollow tube.
- Movement of neck can be up, down or sidewards.
- Vertebrae are joined by gliding joints which offer spring movement to the backbone. Body can be bent back, front or sidewards.
Functions (any two) :
- It protects the spinal cord.
- It supports the head.
- It serves as an attachment for the ribs.
- It provides support and place of attachment for the pectoral and pelvic girdle.
- It provides movement for the human skeleton.
- It helps in walking and standing erect, correct posture.
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