Skin Flashcards
What function does epithelium tissue do?
Covers the body
What are the four types of body tissues?
Epithelium, connective, muscle, and nerve
What function does connective tissue do?
Connects cell layers
What are muscle tissues associated with?
Are associated with hairs and response
What function does nerve tissue do?
Detects
What are the muscle types?
Skeletal, smooth, and cardiac
What do skeletal muscles do?
Contract for voluntary movements
What do smooth muscles do?
Contracts slowly to move substances along internal passageways
What do cardiac muscles do?
Pumps blood in the circulatory system
What is the epidermis?
The outer, thinner portion of skin composed of both dead and living cells
What is keratin?
A protein in the layer of dead cells that helps waterproof and protect the living cells beneath
What is melanin?
A pigment that protects cells from damage from solar radiation
What is the dermis?
The inner, thicker portion of skin, contains blood vessels, nerves, nerve endings, sweat and oil glands, subcutaneous layer, and hair follicles
What are the major functions of the skin?
Regulates body temperature, serves as a protective layer, and is a major sense organ
When skin is injured into the dermis, what is the body’s first reaction?
To restore the continuity of the skin
