EVERYDAY SCIENCE

Detailed explanation-1: -The hard part which is the internal support of the structure is called an endoskeleton. It is developed from endoderm and is called a living structure. Some examples of endoskeleton are cartilage, bone, etc. The hard part present outside the body which protects the soft tissues and muscles is called the exoskeleton.

Detailed explanation-2: -Some animals have an internal skeleton. called an endoskeleton. Other animals possess a skeleton on the outside of their body called an exoskeleton.

Detailed explanation-3: -: an internal skeleton or supporting framework in an animal.

Detailed explanation-4: -Mammals, reptiles, birds, fish and amphibians are vertebrates with endoskeletons (skeletons inside their bodies). Their skeletons provide support and protection and help them to move.

Detailed explanation-5: -Endoskeletons provide support for the body, protect internal organs, and allow for movement through contraction of muscles attached to the skeleton. The human skeleton is an endoskeleton that consists of 206 bones in the adult.