the hair, skin and nails.
What is the Integumentary System?
19 million cells.
What is a single square inch of skin has?
known as the outermost layer
What is the epidermis?
Tattoo ink reaches this layer.
What is the Dermis/Dermal layer?
Study of the skin.
What is a Dermatology?
Produces the natural oil of the skin.
What is the sebaceous gland?
65 Hairs
What is how many hairs 1 square inch of skin contains?
Found here in the epidermis, it is the hard protein of nails and hair.
What is keratin?
the arrector pili muscle, sebaceous glands, blood vessels, and nerves.
What is everything that can be found in the Dermis?
Fingerprints are first created.
What is in the womb/utero?
Used for Protection. regulation of temperature, synthesizes vitamin D, serves as a sense organ
What is the Roles/Function of the Integumentary System?
8-10 pounds
What is the skin is the bodies largest organ?
known as the "prickle cell layer"
What is the stratum spinosum?
acts as a reservoir for glucose, essential ions and water.
What is the Areolar tissue?
Gripping, Identification, background checks
What are the functions of fingerprints?
produces odors that may attract sexual partners
What is the apocrine glands?
30k-40k skins cells
What is how many skin cells lost per minute?
Stratum corneum, stratum granulosum, stratum lucidum, stratum spinosum, stratum basale
What are the five layers of the Epidermis?
Collagen, Elastic Areolar, connective tissue
What is the three types of tissue the Dermis is composed of?
the natural oily substance produced by the skin.
What is Sebum?
muscle that produces "goosebumps"
What is the arrector pili muscle?
0.1 to 0.5 inches per month.
What is how fast hair can grow?
Produces pigment(melanin)
What is the melanocytes?
known as the "extracellular matrix"
What is collagen?
also known as the Hypodermis, third layer of skin, or the inner most layer.
What is the Subcutaneous layer?