Which of the following is not a type of skeleton?

Which of the following is correct?

Which of the following animals has a hydrostatic skeleton and a exoskeleton, at different stages of its life cycle?

Which is the following is an appendicular skeleton?

The diagram shows human bones. Which bones are part of the axial skeleton? 

The brown highlighted area represents ....

P, Q and R in Diagram  are three types of vertebrae on the human backbone. Which of the following is the correct sequence of the vertebrae arrangement?

Diagram  shows a human lumbar vertebra. What are the function of X and Y?

Four bones fused together to form triangular structure which is pointed at one end.

Diagram  shows a knee joint. Which of the following tissues joins X to Y?

Diagram  shows a human arm. If X was torn off, what happens to the arm?

Diagram  shows the bones of a human. Which of the following forms a ball and socket joint ?

Diagram shows an elbow joint. Which of the following parts labelled A, B, C or D is tough and elastic?

Diagram shows walking action. Which of the following are correctly describe the muscle actions when the leg is straightened?

What are the actions of muscles P and Q in a down stroke movement of the wings?

Diagram shows the mechanism of locomotion in earthworm. Which is the correct muscle action in W?

Which muscle on the hind leg of grasshopper contracts at this moment?

When the muscle on the left side of the fish tail contract, the tail will be pulled to the....

Diagram shows a skeletal muscle system which experiences wear and tear of cartilage due to lack of synovial fluid. What is the disease link to the above condition?

What happens if a woman wears these shoes for a lengthy period of time?