Question

how is the number of thoracic cage and ribs bones are 41 in total not 37 bone?

Answer 1

Answer:In vertebrate anatomy, ribs (Latin: costae) are the long curved bones which form the rib cage, part of the axial skeleton. In most tetrapods, ribs surround the chest, enabling the lungs to expand and thus facilitate breathing by expanding the chest cavity. They serve to protect the lungs, heart, and other internal organs of the thorax. In some animals, especially snakes, ribs may provide support and protection for the entire body.

Rib

Image122.gif

Detail of a single human rib

Gray112.png

The human rib cage (Source: Gray's Anatomy of the Human Body, 20th ed. 1918)

Explanation: