B. Choose the letter of the correct answer
The inner layer of the bone that contains yellowish substance which manufacture
blood cells in the body
a Skull
b bone marrow c. hinge joint a spine column
2. There are total number of bones in mature human body
a 306
b. 206
0 300
d. 200
3. The is a place where two bones meet
a Cartilage
b. marrow
o ligament
djoint
4. Bones that protects the heart and lungs.
a. Skull
b. pelvic bones
orib cage
d vertebral column
5. Bones that protects the spinal cord
a. Skull
b. pelvic bones crib cage
d vertebral column​