Question

What is the difference between a true rib and a floating rib?

Concise Biology Class IX By H.S. Vishnoi CHAPTER 14-MOVEMENT AND LOCOMOTION

Answer 1

Humans have 12 pairs of ribs. The upper 7 pairs which are attached to the sternum or breast bone are true ribs.
The last 2 pairs of ribs are only connected to the spine with no front attachment so they are floating ribs.

Answer 2

Difference between true rib and floating rib

Explanation:

• Rib, any of a couple of sets of tight, twisted bits of bone (now and then tendon) joined dorsally to the vertebrae and, in higher vertebrates, to the breastbone ventrally, to shape the hard skeleton, or rib restrict, of the chest.
• The ribs help to watch the inner organs that they encase and credit help to the capacity compartment musculature. In individuals, there are ordinarily 12 arrangements of ribs.
• The underlying seven sets are affixed rapidly to the sternum through costal tendons and are called genuine ribs.
• The eighth, ninth, and tenth sets—fake ribs—do never again be a bit of the sternum promptly yet are associated with the seventh rib by technique for the tendon.
• The eleventh and twelfth sets—skimming ribs—are half of the size of the others and do now not achieve the front of the packaging. They don't join anything.
• Every genuine rib has a little head with two articular surfaces—one which verbalizes on the packaging of the vertebra and a dynamically principal tubercle that clarifies with the tip of the transverse game plan of the vertebra.