Question

What is median longitudinal axis and principal axis of human skeleton?

Answer 1

1. Axial skeleton:

It is present on the median longitudinal axis of the body. It consists of skull, vertebral column, sternum and ribs.

2. Appendicular skeleton:

It is situated at the lateral sides which actually extend outwards from the principal axis. It consists of pectoral and pelvic girdles and bones of arms and legs.

Longitudinal axis is the vertical axis passing through the skull and principal axes are the horizontal axis.