Matrix-that's why it's important to not only be concerned about calcium for bones but also everything that it takes to build the bone matrix. It's like the mortar that holds the bones together. The mortar has to be as strong as the bricks to keep a strong skeletal structure. I love this product because it helped me reverse bone loss...it's called OsteoMatrix. Contact me if you want to know more about it: solutioncenter.myshaklee.com
The rigid side of the leaf is upper side facing the sunlight. In a dorsiventral leaf this side supports the palisade tissue.
Compact and cortical bone tissues are rigid and dense.
compact bone
WHAT IS RIGID BRITTLE ROCK CALLED? WHAT IS RIGID BRITTLE ROCK CALLED? we have no clue
Bone is the most rigid and dense of the connective tissues.
compact bone
No, the rigid outer covering of arthropods is usually called the exoskeleton. In biology the mantle is a major anatomical component of a different phylum - molluscs, the tissue which contains the internal organs and in many molluscs responsible for secreting the mineralized outer shell.
WHAT IS RIGID BRITTLE ROCK CALLED? WHAT IS RIGID BRITTLE ROCK CALLED? we have no clue
The part of bone you are asking about is called compact bone, or cortical bone.
The rigid bar is not called a fulcrum! And, by the same token, why is the bar called a bar?
The rigid, rocky layer of the Earth is called the lithosphere.
The outermost rigid layer of the earth is called the crust.