Laboratory test can be done on all types of fluids present in the human body other than blood. Most of the times, these fluids are performed under lab testing instead of blood as these fluids can give more accurate observations as to what can be going on in a particular part of the body. Body fluid means all kinds of liquid discharged and produced from the human body. Human body is consists of many different types of fluids. These fluids specifically have their own important functions or role in making the body functions properly. Albumin and globulin are two examples of protein found in our human body. The total protein test measures the total amount albumin and globulin present in our human body. Most of the times it is used as part of our routine monthly health checkup.