Question

The state of equilibrium in the body with respect to various functions and to the chemical composition of fluids and tissues is called as
A) Haemostasis
B) Homeosis
C) Homology
D) Homeostasis

Answer 1

Hint: The body is able to maintain internal temperature constant with respect to change in the external environment.

Complete answer:
The process of maintaining body temperature is called homeostasis, this includes many functions as in to maintain body temperature, body fluid as sodium, potassium and calcium ion, blood pH, blood glucose.
The regulation of Homeostasis depends upon three main parts: receptor(skin), control center (brain), effector (blood vessel and sweat gland). The skin acts as a receptors that detect changes in temperature. If there is change in temperature with respect to equilibrium, the control centre (brain) sends signals to the blood vessels and sweat glands in our body reacts to it. If the temperature is too hot, the blood vessels dilate (vasodilation) and leads to a drop in the body temperature. If the external temperature is too cold, the blood vessels constrict (vasoconstriction) and helps the body to retain heat.
If failure of Homeostasis occurs it may lead to disease or illness. In more adverse conditions it can cause disability or death.
So, the state of equilibrium in the body with respect to various functions and to the chemical composition of fluids and tissues is called Homeostasis.

So, the correct option here is option D.

Note:
Homeostasis in blood is regulated by platelets that assist in blood clotting, RBC helps in transporting hydrogen and oxygen, WBC fights infection.