20. The following diagram represents the homeostatic control of body temperature. What does the part labelled X represent? a. Heart b. Hypothalamus c. Kidney d. Pituitary core body temperature <37°C X muscles of skin arteriole walls skeletal muscles NEGATIVE FEEDBACK blood temperature return to 37°C 1

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Homeostasis

Homeostasis is a self-regulatory process through which different biological systems maintain constant internal environmental conditions to compensate for environmental changes. In human physiology, it is a process of self-regulating internal, chemical, and physical conditions at an optimal level for survival. The stability through homeostasis can be attained through dynamic equilibrium, in which there is a continuous change until it reaches its systemic conditions.