The answer is synovial joints.
A synovial joint, also called diarthrosis, is present in the shoulders, hips, knees, elbows and wrist.
It has a fibrous joint capsule, a space between the bones that contains the synovial fluid and some of them can have additional structures.
There are six types of synovial joints and the shoulder or hip joints are called Ball and socket joints which allow all movements except gliding.
Yes because we use the sun light as a way to grow crops for one so no one would be getting any food and plant life would never grow and would die so we wouldn't be getting Air as well because trees and plants make oxygen for us
Answer:
Don't know of such a thing
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