1. Even after you eat a sweet dessert, the level of glucose in your blood stays relatively constant. This is an example of , the maintenance of relatively constant internal conditions despite fluctuations in the external environment. 2. The maintenance of internal water and solute concentrations within a narrow range is called . 3. The maintenance of internal temperature within a narrow range is called . 4. A(n) , such as a pigeon, is an organism that gains body heat primarily from its own metabolism. 5. A(n) , such as a salamander, is an organism that gains body heat primarily by absorbing it from the environment. 6. The disposal of nitrogen-containing wastes, as through urination, is called .

1. The level of glucose in a person's blood stays relatively constant even after he or she eats a sweet dessert. This is an example of homeostasis, which is the maintenance of relatively constant internal conditions despite fluctuations in the external environment. Homeostasis can be defined as a process through which a living organism maintains a steady or stable physical, internal and chemical environment that is ideal to enhance life and proper functionality.

2. The maintenance of internal water and solute concentrations within a narrow range is called: osmoregulation. Normovolemic describes the situation in which a living organism maintains a normal volume or amount of blood in the body.

3. The maintenance of internal temperature within a narrow range is called: thermoregulation. Temperature can be defined as a measure of the degree of coldness or hotness of a physical object. It is measured with a thermometer and its units are Celsius (°C), Kelvin (K) and Fahrenheit (°F).

4. An endotherm, such as a pigeon, is an organism that gains body heat primarily from its own metabolism. It is also referred to as homotherm and it involves maintaining a constant body temperature.

5. An ectotherm, such as a salamander, is an organism that gains body heat primarily by absorbing it from the environment. Thus, an ectotherm have limited abilities with respect to regulating its body temperature.

6. The disposal of nitrogen-containing wastes, as through urination, is called: excretion. Glomerular capsule is also referred to as Bowman's capsule and it can be defined as a cuplike sac (structure) with a double wall, which makes up the tubular part of a nephron within the kidney of mammals. It is saddled with the responsibility of first filtering blood (ultrafiltration) under pressure to generate urine in the mammalian kidney.