Question

describe the difference between spongy and compact bone?

Answer 1

s.no.	songy bone	compact bone
definition	It is also known as cancellous and trabecular bone it is found in long bones surrounded by spongy bone	it is called as cortical bone and it surrounds spongy bone. they are heavy tough copact in nature.
location	in the epiphysis of long bones	in the shaft of long bones
lamellae	irregullarly arranged and form trabecule	arranged to form haversian systemm.
bone marrow	red and produce RBC	yellow and sotees fat
bone marrow cavity	broad	narrow
nature	soft and spongy	hard and compact
skeleton weight	20 %	80%
function	they acts as buffer for bone formation and hematopoesis	they are mainly invoved in the body movemets and growth.