The parts of the skeleton that are not as hard as bones and which can be bent are called as

Which of the following are required for the formation of bones and teeth?

Which one of the following body parts/organs of the human body does not have smooth muscles?

Which one of the following parts of human alimentary canal can be of maximum length?

In which part or organ of human body cartilage is NOT found ?

Which one of the following salts is found in maximum amount in the human bones?