Zero
Yes. Flatworms lack a skeletal structure, and any creature without a skeletal structure is classified as an invertebrate.
bone
The structure of a leaf is skeletal
the hands contains pairs of opposing skeletal muscles
gives the frame /structure
No. They are not invertebrates because they have a skeletal structure
the pelvis
the bones.
There are no organs in the skeletal system. The skeletal system is comprised of the bone structure of an organism; i.e. metatarsals, cranium etc.
the skeletal system is one of the main systems of the body,which help us to maintain our posture and stand straight.skeletan means bones,and so bones belong to the skeleton system.
The muscular system enables movement of the skeletal system while the skeletal system provides structure for the muscular system.