It is known as Arthrodesis. It is the manufactured enlistment of joint hardening between two bones by surgery. This is done to ease recalcitrant agony in a joint which can't be overseen by torment medicine, braces, or other regularly showed medications. The average reasons for such agony are breaks which upset the joint, extreme sprains, and joint pain.
Answer:
it is poisonous or harmful to the human body
The respiratory system brings oxygen unto the lungs, while the circulatory system delivers oxygen throughout the body.
