The phrase "body system" is correct and can be used in written English.
For example, you could use the phrase in the sentence "The human body is composed of several complex body systems."
and with a functional body system.
We are the only developed country to rely on a governing body system.
This show is organized like a textbook; you survey the body, system by system.
I'd look at a woman's whole body system, and I'd be looking at the changes in her body shape.
This increased stress response plays out in reduced life expectancies because cortisol affects almost every body system.
This rigid body system has consequently five degrees-of-freedom.
Our goal was to assess dental use across 10 body system-based chronic condition subgroups.
Lately, scientists have begun to approach consciousness in more Spinozist terms: as a complex and indivisible mind-brain-body system.
However for a three-body system (or four-body system) numerical calculations are needed to obtain numerical results [36, 37].
The rectilinear motion of a two-body system is considered.
The four-body system (consisting of two particles and two antiparticles) and six-body system (consisting of three particles and three antiparticles) cannot be solved analytically.
