However, in resting horses, a heart rate over 80 can be a sign of a serious problem. If a calm horse has a pulse that is consistently over 60, it can also be a problem. Things that can increase the horse's heart rate include exercise, fear, pain, stress, and excitement.
Because blood analysis is a comparison analysis (comparison of the victim's blood and the suspect's blood to blood found at the crime scene), reference blood samples are needed from the victim and suspect. A comparison must be made between the genetic markers in the victim s blood and the suspect's blood.
DNA left at crime scenes, such as blood, semen, hair, skin cells. and saliva help identify victims and perpetrators. Matches are found and arrests are made. Hundreds of cases have been decided with the help of DNA fingerprinting evidence and.