THORAX ABDOMEN AND PELVIS

Detailed explanation-1: -Organs are grouped into organ systems, in which they work together to carry out a particular function for the organism. For example, the heart and the blood vessels make up the cardiovascular system.

Detailed explanation-2: -For example, the respiratory and circulatory systems work together to provide the body with oxygen and to rid the body of carbon dioxide. The lungs provide a place where oxygen can reach the blood and carbon dioxide can be removed from it. Some body systems share a common organ that performs more than one job.

Detailed explanation-3: -Organs that work together form an organ system. Together, your heart, blood, and blood vessels form your cardiovascular system.

Detailed explanation-4: -An organ is a group of tissues that work together for the overall function of the organ, and an organ system is a group of organs that work together to perform a specific function.