Question
Question: State whether the following statements are true or false . The human skeleton has 206 bones . A....
State whether the following statements are true or false .
The human skeleton has 206 bones .
A.True
B.False
Solution
Skeleton system consists of a framework of bones and a few cartilage. Skeleton system has a very significant role in the movement which is shown by the body . Imagine chewing food with jaw bones and walking around without the limb bones . Bone is one of the strongest parts of the body . Bone also provides protection to internal organs of the body .
Complete answer:
Bone and cartilage are specialised connective tissue . Bones have a very hard matrix due to calcium salts in it and the cartilage has a slightly pliable matrix due to chondroitin salts in it .
In human beings the skeletal system is made up of 206 bones and a few cartilage . It is grouped into two principal divisions, the axial and appendicular skeleton .
Axial skeleton comprises 80 bones distributed along the main axis of the body . Axial Skeleton system includes the skull , vertebral column sternum and the ribs .
The bones of the limb along with their girdles constitute the appendicular skeleton system . Appendicular skeletal system is made up of 126 bones .
Joints are involved in the movement of the body parts of the body . Locomotory movements are also no exception to this . Joints are points of contact between bones or between bones and cartilage .
Hence the correct answer is OPTION(A)
Note: Force generated by the muscle is used to carry out movements through joints where the joint acts as a fulcrum . Joints classified into three types namely fibrous cartilaginous and synovial joints. The movability of the joints depend upon various factors .