BI 121 (Lecture) Exam 1 – GRCC Questions and Answers

BI 121 (Lecture) Exam 1 – GRCC
Questions and Answers

Biology ii- iiAnswers ii-The iistudy iiof iilife

Anatomy ii- iiAnswers ii-The iistudy iiof iithe iistructure iiof iian iiorganism ii(form)

Physiology ii- iiAnswers ii-The iistudy iiof iithe iifunctioning iiof iian iiorganism ii(function)
The iistudy iiof iihomeostatic iimechanisms

Epidemiology ii- iiAnswers ii-The iistudy iiof iithe iitransmission iiof iidisease iibetween
iiorganisms ii(how iithe iidisease iigets iifrom iione iiplace iito iianother)


Epidemiologist ii- iiAnswers ii-Person iithat iistudies iiepidemiology

Metabolism ii- iiAnswers ii-Process iiof iiextracting iiand iitransforming iienergy ii
E.g., iidigestion, iiassimilation

Energy ii- iiAnswers ii-The iicapacity iito iido iiwork

Work ii- iiAnswers ii-A iichange iiin iimotion iiof iimatter ii(move iistuff)

Anabolic iiMetabolism ii- iiAnswers ii-Synthesis iiof iilarger iimolecules iifrom iismaller

Catabolic iiMetabolism ii- iiAnswers ii-Reduction iiof iilarger iimolecules iiinto iismaller

Individual iilevel iiof iienvironmental iiinteraction/adaption ii- iiAnswers ii-Irritability ii(reaction
iito iistimuli) iihomeostasis. iisweating, iishivering


Species iilevel iiof iienvironmental iiinteraction/adaption ii- iiAnswers ii-Evolution iiof iinew
iiforms ii(if iiyou iicannot iievolve, iispecies iidisappears)


Movement ii- iiAnswers ii-Either iiinternal iior iiexternal

Chemical ii(or iimolecular iilevel) ii-> iicellular iilevel ii-> iitissue iilevel ii-> iiorgans iilevel ii->
iiorgan iisystems iilevel ii-> iiorganism iilevel ii- iiAnswers ii-What iiis iithe iiHierarchy iiof
iiOganization iiof iithe iiBody?


Homeostasis ii- iiAnswers ii-all iibody iisystems iiworking iitogether iito iimaintain iia iistable
iiinternal iienvironment

, Negative iiFeedback iiMechanism ii- iiAnswers ii-The iibody iiis iiMOVED iiTOWARDS
iihomeostasis
The iimajority iiof iifeedback iimechanisms iiare iithis ii- iimost iicommon iiin iithe iibody
iie.g., iihigh iiserum, iisalt, iiand iithirst; iishivering, iiand iisweating iibrings iithe iibody iiback


Positive iiFeedback iiMechanism ii- iiAnswers ii-The iibody iiis iiMOVED iiAWAY iifrom
iihomeostasis ii- iithe iiresponse iiincrease iichange iiof iithe iistimulus ii- iiexternal iifactors
iiterminates iiit
iie.g., iichild iibirth, iiclotting, iilactation, iiuterine iicontractions, iiincreased iitemp


Integumentary iiSystem ii- iiAnswers ii-Protections iifrom iienvironmental iihazards;
iitemperature iicontrol
ex: iiskin, iihair, iisweat iiglands

Skeletal iiSystem ii- iiAnswers ii-Protections iiof iisoft iitissues; iimineral iistorage
ex: iibone, iiligaments, iitendons

Muscular iiSystem ii- iiAnswers ii-Locomotion, iisupport, iiheat iiproduction
ex: iibrain, iispinal iicord, iinerves

Cardiovascular iiSystem ii- iiAnswers ii-internal iitransport iiof iicells iiand iidissolved
iimaterials
ex: iiblood iivessels, iiheart, iiveins

Lymphatic iiSystem ii- iiAnswers ii-Defense iiagainst iiinfection iiand iidisease
ex: iilymph iinodes, iilymphatic iivessels, iisplein

Digestive iiSystem ii- iiAnswers ii-processing iiof iifood iiand iiabsorption iiof iinutrients
ex: iiesophagus, iistomach, iiintestine, iiliver

Respiratory ii(Pulmonary) iiSystem ii- iiAnswers ii-Transport iiof iiair iito, iiand iifrom, iisites iiof
iigas iiexchange iibetween iiair iiand iiblood
ex: iilungs, iitrachea, iibronchi

Urinary iiSystem ii- iiAnswers ii-elimination iiof iiexcess iiwater, iisalts, iiand iiwaste iiproducts
ex: iiureters, iibladder, iikidneys, iiurethra

Reproductive iiSystem ii- iiAnswers ii-Productions iiof iisex iicells iiand iihormones
ex: iigenetics

Nervous iiSystem ii- iiAnswers ii-directing iiimmediate iiresponses iito iistimuli
ex: iibrain, iispinal iicord, iinerves

Endocrine iiSystem ii- iiAnswers ii-Directing iilong-term iichanges iiin iithe iiactivities iiof iiother
iiorgan iisystems
ex: iithyroid iigland, iithymus, iipituitary iigland