Integumentary System Flashcards
1
Q
What is the epidermis?
A
Provides a barrier between the body and outside pathogens, such as bacteria
2
Q
What are melanocytes?
A
Produce melanin, which helps to protect the body from ultraviolet radiation from the sun
3
Q
Where are melanocytes located?
A
Epidermis
4
Q
What do else do skin cells produce?
A
Produce nails that protect the tips of fingers and toes
5
Q
What can sweat contain?
A
- Urea
- Lactic acid
- Alcohol
6
Q
What does the skin produce when ultraviolet light hits the skin?
A
Vitamin D
7
Q
Sweat
A
Perspiration excreted by sweat glands through the skin
8
Q
Vitamin D
A
A vitamin made by the skin that helps the intestine absorb dietary calcium
9
Q
Cutaneous vasoconstriction
A
A decrease in the diameter of blood vessels in the dermis that reduces blood flow through the skin
