Our Body systems

A -------- is a group of parts that work together to do a job.

The heart and the blood vessels are a part of ----------system.

The engine driving the circulatory system is --------

The doctor who specialises in a heart is called a--------

A doctor who specialises in digestive system is called a------

The ------system protects the internal organs.

The largest bone in the human body is------

The smallest bone in the human body is----

The total number of bones in the human body is ---------

An orthopaedist is a doctor who specialises in ----------