Homeostasis is <span>the body's tendency to maintain relatively stable internal conditions in spite of greater changes in its external environment. It is a process in which all body cells are involved and through which the body systems stays stable and keeps constant internal environment. Homeostasis enables the body to maintain its balance and stability. </span>
Maintaining blood temperature is one of homeostasis example. Mamalia is an animal group called warm-blood because their body temperature is maintained. By keeping the body temperature stable, the enzyme used in the body can work in optimal temperature. That makes them use energy more efficiently.
the lymph vessels bring lymph fluid toward the heart and above it to the subclavian veins, which enable lymph fluid to re-enter the circulatory system through the vena cava.
