How many layers of skin there?
3 layers
What are appendages?
Body parts that stick out from the body like arms or legs.
How many Glands are in the human body?
around 43
What is Hair Shaft?
Hair you can see
What is the top layer of skin?
Epidermis
Are fingers appendages?
Yes
What is the purpose of the Salivary Glands?
The production of Saliva, aiding in digestion and lubrication
What is Follicle?
Where your hair grows
What is the second layer of skin?
Dermis
How many minor appendages do we have?
20 minor
What is the purpose of the Sweat Glands?
Produce and excrete sweat to regulate body temp.
What is the Hair Bulb?
Where new cells form
What is the third layer of skin?
Hypodermis
How many main appendages do we have?
4 main
What is the purpose of the Sebaceous Glands and where can they be found?
The production of oil called "Sebum" and the gland is located in the mid-dermis
What does the cortex do?
Gives hair color
What is the purpose of each layer of skin?
Epidermis: To primarily act as a protective barrier.
Dermis: To support and protect by providing structural through collagen and elastic fibers. Regulating body temp., housing nerve endings.
Hypodermis: To act as insulation and as energy storage.
How many appendages do we have in total?
Total of 24
What is the purpose of the Kidneys and the Liver?
The kidneys expel urine and remove waste from the body and the Liver produces bile which aids in digestion
Hair is made of what strong protein?
Keratin