Explain using specific examples how the skeleton
provides the body with
physical protection and
protection against
infection. (6 marks)

The vertebral column holds the body upright. Movement - muscles are attached to bones, which are jointed. When the muscles contract the bones move. Blood production - red blood cells (to carry oxygen) and white blood cells (to protect against infection) are produced in the bone marrow of some bones.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.