Question

Which one acts as a shock absorber when two bones come together?
(a)Cartilage
(b)Ligament
(c)Tendon
(d)None of these

Answer 1

Hint: A smooth elastic tissue that is made up of chondrocytes cells and collagen fibers acting as a protective covering around the bones.

Complete answer:
The cartilage acts as a shock absorber; they are resilient tissues that cover the ends of those bones which are long and are present at the joints or nerves.

Additional Information:
 -The cartilage is the tissue that is rigid and flexible than the bones and the muscles.
-The cartilage consists of various fibers including collagen, elastin, proteoglycans, and glycosaminoglycans.
-It is mostly found in the area around the ribcage, ear, nose, bronchi, etc.
-They sometimes hold body tubes due to the presence of collagen fibers.
-Cartilages are of three types: elastic cartilage, headline cartilage, and fibrocartilage.
-The cartilages vary depending upon the presence of collagen and proteoglycan.
-The blood vessels and nerves are not present inside the cartilage.
-By the process of diffusion through chondrocytes, nutrition is supplied to the body.
-It is mesodermal in origin which is derived from the mesoderm germ layer during embryogenesis.
-The cartilage shows very little repair capabilities.
-The cartilage cannot be observed simply by X-rays, it requires dye to stain then only it will appear on the X-ray.

So, the correct answer is ‘Cartilage’.

Note: The cartilage was first observed and discovered during the fourth century by Aristotle (384-322). The word cartilage was derived from the French and English word cartilage, meaning ‘cartilage’. In medical science, the word ‘chondro' is used to describe the cartilage. The cartilage is made up of chondroblasts cells and chondrocytes along with the matrix containing 10% aggrecan, 75% water, and a mixture of collagen and other substances.