Anatomy
Structures composed of specialized tissues that perform specific functions in plants and animals are called _____.
organs
What are two types of electric current?
Direct and alternating
What term refers to the separation of an atom or molecule into positive and negative ions?
Ionization
A(n) _____ can be defined as an artificial covering for the head that consists of a network of interwoven hair and completely covers the client’s hair.
wig
How much blood is in the adult human body?
8 to 10 pints
What is a type of cold light that is blocked by the ozone layer?
UVC
A sweet, colorless, oily substance that is used as a moisturizer in skin and body creams is _____
glycerin
_____, are narrow rows of visible braids that lie close to the scalp and are created with a three-strand, on-the-scalp braiding technique.
Cornrows
Most cells reproduce by dividing into two cells called _____ cells.
daughter
A measurement of how much electricity is being used in one second is a(n) _____
watt
The chemical combination of two or more atoms of different elements produces a(n) _____.
compound
Capless wigs are made by weaving human or artificial hair into _____, which are long strips of hair with a threaded edge.
wefts
The cheekbones are also called the _____.
zygomatic bones
What is the shortest and least penetrating light of the electromagnetic spectrum?
Ultraviolet light
A chemical combination of matter in definite (fixed) proportions is a _____.
pure substance
What is the wig type recommended for a client with no hair or extremely thin hair?
cap wig
The bone that joins all of the bones of the cranium together is the _____.
sphenoid bone
What type of current should be avoided for clients who are pregnant, have high blood pressure, or have a pacemaker?
Tesla high-frequency
A common volatile organic compound used in hair spray is _____.
ethyl alcohol
One disadvantage of using human hair is the hair’s reaction to _____.
humidity