Body Membranes
Homeostasis
Layers of Skin
The Dermis
Hair and Nails
100
Name the connective tissue membrane
synovial
100
What is homeostasis?
Body's ability to maintain stable internal conditions
100
Which is the most superficial layer of the skin?
Epidermis
100
What structure causes your hair to stand up on end?
Arrector Pili Muscle
100
Hair and Nails both originate in what layer of the skin?
Epidermis (stratum basale)
200
Name the 3 epithelial tissue membranes
cutaneous mucous serous
200
What are the two types of feedback mechanisms?
negative and positive
200
What layer is not technically considered part of your skin but plays an important role in insulation?
hypodermis
200
Which structure detects pressure?
Pacinian Corpuscle
200
What protein give hair and nails strength and allow them to be waterproof?
Keratin (also found in skin)
300
Which membrane is also your skin?
cutaneous
300
Which feedback mechanism attempts to INCREASE the initial stimulus in order to restore 'normal' conditions?
positive feedback system
300
Which layer of your dermis is responsible for your fingerprints?
papillary layer (dermal papillae)
300
Which sweat gland is most numerous, can be found all over the body and secretes sweat out of a pore?
Eccrine
300
What is the name of the part of hair above the surface of the skin
Hair Shaft
400
Where can mucous membranes be found?
anywhere that is open to the exterior. Ex) respiratory or digestive tract.
400
What is the role of the control center?
The control center receives and interprets a stimulus, then sends out a message for an appropriate response to the target muscle or organ.
400
Which skin layer contains sweat glands, blood vessels and touch nerve receptors? (be specific)
reticular
400
Name the 3 layers of a hair (superficial to deep)
Cuticle (bark) Cortex Medulla (hollow tube)
500
Serous membranes exist in 2 layers...what are they?
visceral (directly covering organ) and parietal.
500
What is an effector?
A target muscle or organ that is stimulated to help the body return to homeostasis
500
Name the layers of the epidermis from superficial to deep
Stratum corneum(thick/dead) stratum lucidum (palms and soles) Stratum granulosum stratum spinosum Stratum basale (dividing)
500
Which structure is commonly called a touch receptor?
Meissner's Corpuscle
500
hair that stops producing melanin is _______________ hair the produces LESS melanin is _______________
white gray
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