B3.3.2 - Fingerprinting Flashcards
What does the diagram show?
A cross section diagram of human skin
Identify the missing label from the diagram of a skin cross section.
Identify the missing label from the diagram of a skin cross section.
Identify the missing label from the diagram of a skin cross section.
Identify the missing label from the diagram of a skin cross section.
Identify the missing label from the diagram of a skin cross section.
Identify the missing label from the diagram of a skin cross section.
What do we call the impression of ridges on your fingertips?
Fingerprints
What is the funciton of a sweat gland?
It is where sweat is produced
What is the function of pores in the skin?
To allow sweat to be released.
What is the funciton of the ridges on your finger tips?
To grip objects
How are fingerprints formed?
They form when a baby stretches or bends their fingers in the uterus.
Describe how fingerprints can be left behind on glass.
When you touch glass oils in your sweat are left behind which make an impression of the ridges on your skin.
Why are fingerprints useful for solving crimes?
Because they are uniques - even to identical twins
Name the 2 common methods of revealing fingerprints used by forensic scientists.
Powder dusting
Ultraviolet light
Identify the type of fingerprint.
Arch
Identify the type of fingerprint.
whorl
Identify the type of fingerprint.
Loop
