The axial skeleton includes the skull, vertebrae, the sacrum and coccyx, and ribs.
Think of it as an axle, so everything rotates around the center of an axle right? Your whole body rotates around those parts, so imagine that.
D. All of the above
These would all harm the fetus.
The correct answer is "exercise"
By meaning, reinforcement means to make something stronger. In the context of relationship it means strong and deep human relationships.
Thus, reinforcement is an exercise in the relationship.
