Integumentary System 1
What 3 things make up the integumentary system?
Skin
Hair
Nails
Human skin color is determined by what pigment?
melanin
Being exposed to the sun can help our bodies make _________________
Vitamin D
What is the largest organ of the body?
skin
Name the pigments that color your skin.
What is melanin, carotene, and hemoglobin?
d. secretion of hormones
shivering helps your body to ____________
warm up
What are 2 functions of the skin?
Sensation
Temperature Regulation
Protection
Making Vit D
The surface of the epidermis consists of dead skin cells filled with a protein called _______________
keratin
This fiber waterproofs and protects skin and hair.
What is keratin?
b. epidermis, dermis, hypodermis d. dermis, epidermis, hypodermis
b. epidermis, dermis, hypodermis
Where is the subcutaneous layer located?
under the dermis
Sweating helps your body to __________
cool down
The hair follicle is located in what structure of the skin?
the dermis
The process of maintaining the body's internal temperature.
What is thermoregulation?
True or False
Hair is dead and skin is alive
True
The oil glands that are located next to each hair follicle secrete oil keep the ____________ and _____________ soft, flexible and water resistant
Skin
Hair
what does the sebaceous gland produce
oil
The fat cells in the hypodermis layer do this action.
What is cushion and insulate your body?
Vitamin D is changed to this substance that aids in calcium absorption.
What is calciferol or calcitriol?
what does an eccrine gland produce
sweat
Nevus
What is a Mole?
What cell produces melanin
melanocytes
What structure is responsible for causing "goosebumps" and making the hair stand up
arrector pilli
The nail is composed of these.
What is Keratinized Dead cells?