How many body system are there

There are 11 major organ system in the human body,which include the circulatory,respiratory,digestive,excretory,nervous and endocrine system.The immune,integumentary,skeletal,muscle and reproductive system are also part of the human body.

Explanation:

Explanation:

There are 12 body system.They are the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, , digestive, urinary, and reproductive systems. Also,There are 11 major organ systems in the human body, which include the circulatory, respiratory, digestive, excretory, nervous and endocrine systems.

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.