AP BIOLOGY

Detailed explanation-1: -Forensic serology thus is the study and examination of body fluids such as blood, semen, sweat, urine, saliva, fecal matter, and other fluids mainly for identification purposes in criminal/medicolegal investigations.

Detailed explanation-2: -The kidneys are essential for regulating the volume and composition of bodily fluids. This page outlines key regulatory systems involving the kidneys for controlling volume, sodium and potassium concentrations, and the pH of bodily fluids.

Detailed explanation-3: -The body’s homeostatic control mechanisms, which maintain a constant internal environment, ensure that a balance between fluid gain and fluid loss is maintained. The anti-diuretic hormones vasopressin (ADH) and aldosterone play a major role in this.

Detailed explanation-4: -Renin-Angiotensin-Aldosterone System A major system that regulates BP and body fluid volume is the renin-angiotensin system (RAS).