NEET 2017
- Exam
- NEET
- Year
- 2017
- Subject
- Zoology
- Chapter
- Locomotion and Movement
NEET 2017 · Zoology · Locomotion and Movement
Out of 'X' pairs of ribs in humans, only 'Y' pairs are true ribs....
Out of 'X' pairs of ribs in humans, only 'Y' pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation:
Options
- A
True ribs are attached dorsally to vertebral column and ventrally to the sternum - B
True ribs are attached dorsally to vertebral column and sternum on the two ends - C
True ribs are dorsally attached to vertebral column but are free on ventral side - D
True ribs are dorsally attached to vertebral column but are free on ventral side
Correct answer
A.
| True ribs are attached dorsally to vertebral column and ventrally to the sternum |
Step-by-step solution
In human, 12 pairs of ribs are present in which 7 pairs of ribs ( to pairs) are attached dorsally to the vertebral column and ventrally to the sternum. That is the reason, they are called as true ribs. There are false ribs and floating ribs in human thoracic cage bones.