To be able to digest, breathe, drink water, (etc.)
The answer is because the body systems are different from eachother you tend to do different things from the other person/animal
To Supply Energy
The digestive system is different from the other human body systems because the digestive system holds food and no other human body system does also the digestive system has organs that none other human body systems have.
the principle of the independence of systems suggests that different body systems grow at different rates. For instance, the patterns of growth for body size, the nervous system, and the sexual maturation are quite different.
Skeletal, Circulatory, digestive
Different systems in the body of mammals work under the control and coordination of Nervous system of body. It is an evolutionary phenomenon which arise due to multicellularity in animals.
Small and large intestines
no
Organ system
All organs, body functions, systems are controlled by the brain.
There are 8 systems in the human body. (These are in no particular order.)CirculatoryDigestiveEndocrineNervousExcretoryMuscularImmuneReproductiveHope this helps
The ability of the body systems to work together is called physiological integration. This involves coordination and communication between different systems to maintain homeostasis and ensure proper functioning of the body.