Touch - The Skin (Leaving Cert Biology): Flashcards
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Practise the cards
15 cards from this deck
Main function of skin
Main function of skin
Physical barrier preventing pathogens entering body
Outermost layer of skin
Outermost layer of skin
Epidermis
Cornified layer composition
Cornified layer composition
Dead cells forming impermeable barrier
Protein in granular layer
Protein in granular layer
Keratin
Malpighian layer function
Malpighian layer function
Melanin production, skin colour, UV protection
Proteins in dermis
Proteins in dermis
Collagen and elastin
Collagen & elastin provide
Collagen & elastin provide
Strength and elasticity to skin
Sweat glands function
Sweat glands function
Secrete sweat to cool body
Type of gland: sweat glands
Type of gland: sweat glands
Exocrine glands
Sebaceous glands secrete
Sebaceous glands secrete
Sebum
Sebum function
Sebum function
Oily substance preventing skin drying
Hair follicles attach to
Hair follicles attach to
Erector muscles
Erector muscle action when cold
Erector muscle action when cold
Contract, hair stands up, traps warm air for insulation
Blood vessel widening term
Blood vessel widening term
Vasodilation
Adipose tissue stores
Adipose tissue stores
Fat for insulation and energy