Answer:
Arthroplasty
Explanation:
The restoration of function of a joint is called Arthroplasty. The bone functions are restored by maintaining the bones through resurfacing. Some times artificial joints are also used instead of resurfacing the existing bones.
Arthroplasty is a method to cure Osteoarthritis, or degenerative joint disease where joint cartilages reduces with age.
Also when medical treatments no longer make any impact on the joints of bone pain then Arthroplasty is done.
Answer:
Porifera or Sponges
Explanation:
Porifera is the phylum of the simplest multicellular marine animals. Their body is composed of two cell layers (something like tissues) and mesophyl between them. The body is in direct contact with surrounding water through the large number of pores and channels. What makes Sponges so simple is that their cells are unspecialized and that they don't have nervous, digestive or circulatory systems.
Th answer is D its the best answer that fits the question .
History is the answer. Art, music and clothing are all trends where history is not