iclicker

Question 1

tissues most depends on vitamin D for proper function

Answer 1

bone building osteoblasts

Question 2

during inhalation pressure

Answer 2

decreases creating a vaccum thus drawing air into the lungs

Question 3

during exhalation

Answer 3

pressure increases drawing air out of lungs

Question 4

rate of diffusion is optimized by each of the following

Answer 4

increasing surface area
increasing efficiency of diffusion
decreasing distance for diffusion

Question 5

lower partial pressure atmospheric O2 means

Answer 5

slower diffusion for O2 into lungs and so less for blood

Question 6

fertilized secondary oocyte becomes

Answer 6

a haploid ovum

Question 7

duodenum

Answer 7

bile + pancreatic enzymes enter
chemical digestion + breakdown of proteins and fats

Question 8

jejunum

Answer 8

abosrbs nutrients fluids
produces vitamin k
cecum appendix

Question 9

illeum

Answer 9

abosrbs remaing nutrient, bile salts, and fluids

Question 10

villi

Answer 10

folds in muscoal lining

Question 11

microvillie

Answer 11

cover vili, brush boreder enzymes

Question 12

cecum

Answer 12

ferments cellulose in herbivores

Question 13

appendix

Answer 13

vestigial structure in humans
minimal role in cellulose digestion

Question 14

CCK

Answer 14

dec apperitte
delviers bile

Question 15

ghrelin

Answer 15

inc appetite

Question 16

leptin

Answer 16

loose appetite
stimulus: @ fat storage cells

Question 17

gastrin

Answer 17

ppsinogen

Question 18

GIP

Answer 18

stimulate insulin, inhibits empyting of chyme

Question 19

pulmonary

Answer 19

heart to lungs

Question 20

systemic

Answer 20

body to heart

Question 21

venous pump

Answer 21

blood flows in 1 way
valve opens and closes due to contraction of muscles
muscles squeeze vien-> helps blood move
blood pressure + muscle contraction

Question 22

pathway of air

Answer 22

through the nose
pharynx
larynx
trachea
bronchi
brincioles
aveoli

Question 23

gas exchange

Answer 23

alveoli
O2 diffuses unto capilries
Co2 diffuses out into the alveoli for exhale

Question 24

more Co2 more H lower pH faster breathing

Question 25

role of plasma

Answer 25

CO2 dissovled in plasma binds to hemoglobin protein Co2 converted to bicarbonate ions in plasma

Question 26

inhalation

Answer 26

-muscles contract digaphram contracts raises ribcase negative pressue flatten skeltal muscle increase throaci activity decrease pressure

Question 27

exhlatation

Answer 27

muscles relax diaphram relazes ribcage lowers positve pressure decrease thoraic activity increase pressure

Question 28

right shift

Answer 28

more oxygen release

Question 29

left shift

Answer 29

holds onto oxygen

Question 30

osmoconfomrers

Answer 30

conform to osmolarilty

Question 31

osmoregulators

Answer 31

regulate internal osmolality levels

Question 32

the clacified haversian system of anatomic bone is

Answer 32

non living matrix surroundign bone cells needed for calcium metabolsim

Question 33

when does length wise growth of bones stop

Answer 33

after entire growth plate becomes calcified

Question 34

when do chemosensitive neurons signal the respiratory system to breath more

Answer 34

ph decreased and temp increases

Question 35

ficks law:rate of diffusion is optimized by

Answer 35

increasing surface area increasing efficiency of dissuin decreasing distance for diffusion

Question 36

lower partial pressure atmospheric O2 means

Answer 36

slower diffusion of O2 into lungs so less for blood

Question 37

high blood osmorality

Answer 37

ADH will be released, and the collecting duct will become more permeable to water

Question 38

a fertilized secondary oocyte becomes

Answer 38

a haploid ovum

Question 39

estrogen to hypothalmus to GnRH. Estrogen made by follicle stimulates

Answer 39

positive feedback

Question 40

a spike in estrogen release by follicle stimulates

Answer 40

positive feebacks

Question 41

HcG

Answer 41

produced by embryo and prevnts corpus luteum