Q. 75.0( 1 Vote )
Draw the given diagram and label the following parts.
a) Ball:
b) Periosteum:
c) Yellow marrow:
d) Compact bone:
Answer :
a) Ball: Ball & socket is a type of joint in which the end of one bone consists a ball like structure which fits into another bone which has a socket like structure. Hip joint and knee joint are the types of ball & socket joint.
b) Periosteum: Periosteum consists of dense irregular connective tissue which forms the outer layer of the bone. It serves as protection layer for the bone and serves as a channel for the blood supply and nutrients for bone tissue.
c) Yellow marrow: Yellow bone marrow produces fat, cartilage and bone. White blood cells develop here.
d) Compact bone: Compact bones are dense bones in which the bone is solidly filled with organic groung substance and inorganic salts, leaving only small spaces which have blood cells in them.
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Methods of Charging a Body44 mins
Which one of the following is not matched correctly?
Fill in the blanks:
a) A tendon connects a _______ to a _________.
b) Earthworms move with the help of body muscles and _______.
c) Bones have a layer of strong outer covering called ________.
Tamilnadu - Science Term-2Name the joint that enables the movement of head from side to side.
Tamilnadu - Science Term-2Choose the word that is different from the others in the following and give reason.
a. Clavicle b. Skull c. Femur d. Ball and socket
Tamilnadu - Science Term-2Copy the diagram of the human joint. Name the joint, label part A and B and write their functions.
