Answer:
Option D
Explanation:
Bone marrow is an integral part of bones and hence it is a part of skeletal system. It is of two types – a) Red bone marrow and b) yellow bone marrow
a) Red bone marrow which is responsible for producing red and white blood cells
b) Yellow bone marrow which is also responsible for producing white blood cells
The red marrows are mainly found in bones like
a) Breast bone
b) Rib bones
c) Skull bones
d) Hip bone
e) At the femur and humerus ends of long bones
Hence, option D is correct
