Why are hinge joints preasent in our body?
The correct term is present.
Please refer the link below:
https://www.meritnation.com/ask-answer/question/what-is-a-hinge-joint/body-movements/5943129
Please refer the link below:
https://www.meritnation.com/ask-answer/question/what-is-a-hinge-joint/body-movements/5943129