Examl 2:l BIOl 201/l BIO201l (NEWl 2025/l
2026l Update)l Humanl Anatomyl andl
Physiologyl Il Guide|l Questionsl &l
Answers|l Gradel A|l 100%l Correctl
(Verifiedl Solutions)-l GCU
QUESTION
Skinl functions
Answer:
Protection,l templ regulation,l excretion,l sensation,l vitaminl dl synthesis.
QUESTION
Epidermis
Answer:
outermostl layerl ofl skin
QUESTION
Stratuml germinativuml (basale)
Answer:
formsl al strongl bondl betweenl epidermisl andl dermis.
QUESTION
stratuml spinosum
Answer:
al layerl ofl thel epidermisl thatl providesl strengthl andl flexibilityl tol thel skin.l 2ndl layerl ofl
epidermis
,QUESTION
stratuml granulosum
Answer:
al layerl ofl thel epidermisl thatl marksl thel transitionl betweenl thel deeper,l metabolicallyl
activel stratal andl thel deadl cellsl ofl thel morel superficiall strata.l 3rdl layerl ofl epidermis
QUESTION
stratuml lucidum
Answer:
Clear,l transparentl layerl ofl thel epidermisl underl thel stratuml corneum.l 4thl layerl ofl
epidermis
QUESTION
stratuml corneum
Answer:
thel mostl superficiall layerl ofl thel epidermisl consistingl ofl deadl cells.l 5thl layerl ofl
epidermis
QUESTION
Keratinization
Answer:
Processl byl whichl newlyl formedl cellsl inl thel hairl bulbl mature,l filll withl keratin,l movel
upward,l losel theirl nucleus,l andl die.
QUESTION
Dermis
Answer:
Innerl layerl ofl skin
,QUESTION
papillaryl layer
Answer:
highlyl vascularized,l bordersl thel stratuml basalel andl hasl touch/painl receptors.
QUESTION
reticularl layer
Answer:
Deeperl layerl ofl thel dermisl thatl suppliesl thel skinl withl oxygenl andl nutrients
QUESTION
blister
Answer:
thel separationl ofl thel epidermall andl dermall layersl byl al fluid-filledl pocket
QUESTION
Hypodermis
Answer:
Asol calledl al subcutaneousl layer,l thisl isl al layerl ofl *fatl locatedl underl thel dermisl ofl thel
skin.l Thel hypodermisl helpsl tol insulatel thel bodyl andl protectsl underlyingl musclesl andl
otherl structures.
QUESTION
Melanin
Answer:
Al pigmentl thatl givesl thel skinl itsl color
QUESTION
Pheomelanin
, Answer:
Producesl yellowl tol redl pigmentsl inl thel hair
QUESTION
Carotene
Answer:
yellow-orangel pigmentl thatl accumulatesl inl stratuml corneuml andl inl adiposel tissuel ofl
hypodermis.
QUESTION
Hemogoblin
Answer:
al redl proteinl responsiblel forl transportingl oxygenl inl thel bloodl ofl vertebrates.
QUESTION
arrectorl pili
Answer:
al smoothl musclel attachedl tol hairl folliclesl thatl causesl "goosel bumps"l tol appearl onl thel
skinl whenl contracted
QUESTION
vellusl hair
Answer:
"peachl fuzz"l mostlyl withl childrenl beforel pubertyl andl women.
QUESTION
terminall hair
Answer:
Long,l coarse,l pigmentedl hairl foundl onl thel scalp,l legs,l arms,l andl bodiesl ofl malesl andl
females.
2026l Update)l Humanl Anatomyl andl
Physiologyl Il Guide|l Questionsl &l
Answers|l Gradel A|l 100%l Correctl
(Verifiedl Solutions)-l GCU
QUESTION
Skinl functions
Answer:
Protection,l templ regulation,l excretion,l sensation,l vitaminl dl synthesis.
QUESTION
Epidermis
Answer:
outermostl layerl ofl skin
QUESTION
Stratuml germinativuml (basale)
Answer:
formsl al strongl bondl betweenl epidermisl andl dermis.
QUESTION
stratuml spinosum
Answer:
al layerl ofl thel epidermisl thatl providesl strengthl andl flexibilityl tol thel skin.l 2ndl layerl ofl
epidermis
,QUESTION
stratuml granulosum
Answer:
al layerl ofl thel epidermisl thatl marksl thel transitionl betweenl thel deeper,l metabolicallyl
activel stratal andl thel deadl cellsl ofl thel morel superficiall strata.l 3rdl layerl ofl epidermis
QUESTION
stratuml lucidum
Answer:
Clear,l transparentl layerl ofl thel epidermisl underl thel stratuml corneum.l 4thl layerl ofl
epidermis
QUESTION
stratuml corneum
Answer:
thel mostl superficiall layerl ofl thel epidermisl consistingl ofl deadl cells.l 5thl layerl ofl
epidermis
QUESTION
Keratinization
Answer:
Processl byl whichl newlyl formedl cellsl inl thel hairl bulbl mature,l filll withl keratin,l movel
upward,l losel theirl nucleus,l andl die.
QUESTION
Dermis
Answer:
Innerl layerl ofl skin
,QUESTION
papillaryl layer
Answer:
highlyl vascularized,l bordersl thel stratuml basalel andl hasl touch/painl receptors.
QUESTION
reticularl layer
Answer:
Deeperl layerl ofl thel dermisl thatl suppliesl thel skinl withl oxygenl andl nutrients
QUESTION
blister
Answer:
thel separationl ofl thel epidermall andl dermall layersl byl al fluid-filledl pocket
QUESTION
Hypodermis
Answer:
Asol calledl al subcutaneousl layer,l thisl isl al layerl ofl *fatl locatedl underl thel dermisl ofl thel
skin.l Thel hypodermisl helpsl tol insulatel thel bodyl andl protectsl underlyingl musclesl andl
otherl structures.
QUESTION
Melanin
Answer:
Al pigmentl thatl givesl thel skinl itsl color
QUESTION
Pheomelanin
, Answer:
Producesl yellowl tol redl pigmentsl inl thel hair
QUESTION
Carotene
Answer:
yellow-orangel pigmentl thatl accumulatesl inl stratuml corneuml andl inl adiposel tissuel ofl
hypodermis.
QUESTION
Hemogoblin
Answer:
al redl proteinl responsiblel forl transportingl oxygenl inl thel bloodl ofl vertebrates.
QUESTION
arrectorl pili
Answer:
al smoothl musclel attachedl tol hairl folliclesl thatl causesl "goosel bumps"l tol appearl onl thel
skinl whenl contracted
QUESTION
vellusl hair
Answer:
"peachl fuzz"l mostlyl withl childrenl beforel pubertyl andl women.
QUESTION
terminall hair
Answer:
Long,l coarse,l pigmentedl hairl foundl onl thel scalp,l legs,l arms,l andl bodiesl ofl malesl andl
females.
