CELLS & TISSUES
What is the basic unit of all living things?
The Cell
Why must estheticians understand anatomy and physiology?
Services affect body systems and skin health
Define physiology.
The study of body functions
Why must estheticians know facial bone landmarks?
For safe massage, makeup application, and treatment accuracy
How many bones are in the adult human body?
206
What system controls voluntary muscle movement?
Nervous system
What part of the cell contains DNA?
Nucleus
How does cell metabolism affect treatment results?
It influences repair, healing, and response to products
What is an organ?
A group of tissues performing a specific function
Why must nerve locations be known during facial massage?
To avoid injury and adverse reactions
Which bone forms the lower jaw?
Mandible
Which cranial nerve controls facial expression?
Cranial nerve VII (facial nerve)
What process allows cells to reproduce into identical daughter cells?
Mitosis
Why is epithelial tissue important to estheticians?
It forms the skin and protective barriers
What is the largest organ in the body?
Skin
Name one function of the skeletal system.
Protection, movement, blood cell production, mineral storage
Protection, movement, blood cell production, mineral storage
What nerve can cause fainting if overstimulated?
Vagus nerve
Which tissue type covers surfaces and forms glands?
Epithelial tissue
Which system is most involved during lymphatic massage?
Lymphatic system
Which system controls messages in the body?
Nervous system
How many facial muscles are there?
About 30
Which tissue supports and binds other tissues together?
Connective tissue
Why must estheticians understand scope of practice when discussing body systems?
To avoid diagnosis and work within licensure
What muscle closes the eye?
Orbicularis oculi
Why are body mechanics important for estheticians?
Answer: To prevent fatigue and injury
To prevent fatigue and injury
Massage pressure is applied from ___ to ___.
Insertion to origin