Integ Systwm Flashcards
Types?
Antlers-made of bone, velvet
Horns-hollow
Nails
Functions of feathers
Flight-more streamline(airborne)
Protection- protects skin underneath
Insulation-keep them warm
Attract mate- bright colours
Stealth-sneak up on prey
3 skin layers
1
Epidermis
Waterproof
Keep pathogens out
3 skin layers
2
Dermis
Middle layer
Regulate body temp
3 skin layers
3
Subcutaneous
High fat (insulation)
Made of connective tissue
What is integumentary system
Skin+ appendages
Protects from water loss
Reduce dehydration
Store fat/water
Types of feathers
Contour-colour
Down-insulation
Semiplume-insulation
Flight-help fly
Bristle-protection eye
Filoplume-connect to Brian (nerve)
Exocrine glands
3 substances secreted from body
Ear wax
Sweat
Waterproof+lubricant