The heart is protected by the:
Ball and socket joints
Backbone
Ribcage
Skull
The ribcage protects internal organs such as the heart.
To which organ system does the ribcage, backbone and collar bone belong to?
Ball and socket joints are present in the:
Answer the following:
(a) What is a ball and socket joint?
(b) Which of the skull bones are movable?
(c) Why can our elbow not move backwards?