Respuesta :
Joints are what connect our bones within our bodies. This enables us to
perform different range of motions, bear weight, or in general, it
allows us to move. Based on the statements given, the one that is
considered true about joints is that, they occur where two or more bones
join, thus the word "joints" and the bones connected serve their main
function as the framework of the body. Answer is D.
The joint is place where two bones join to assist in movement of an individual.
Further Explanation:
The portion at which two or three bones articulates are called joints. They are mainly responsible for the stability and movement of bones. The joints are classified into:
- Fibrous (fixed)
- Cartilaginous
- Synovial joints
The bones of fibrous joints are connected to bones through fibrous connective tissue. They have no space, or cavity present in between the bones. So, fibrous joints do not allow movement.
Synovial joints have a vacant space in between the adjacent bones. The space is known as synovial cavity which is filled by the synovial fluid. The fluid provides lubrication in the joints, greater movement and reduces the friction between bones.
Cartilaginous joints are connected to bones through cartilage. There are two kinds of cartilaginous joints that are synchondroses and symphyses. In synchondrosis, bones are joined by hyaline cartilage. In symphyses, the bones are connected through fibrocartillage, and hyaline cartilage covers bone ends. They only allow the minor movement of bones.
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Answer Details:
Grade: High School
Subject: Health
Chapter: Joints and Movement
Keywords:
Synovial joint, cartilaginous joint, fixed joint, lubrication, synovial cavity, synovial fluid, bone, hyaline cartilage, synchondroses, symphyses.
