img004 - (j\1\é Chapter 16 The cardiova cular system Blood...

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Unformatted text preview: ((j/\1\é Chapter 16: The cardiova cular system: Blood. There are five multiple choice questions assigned to this module m...m.."‘".‘.““"'i . mm 7 Opening screen: So far we have discussed the mechanisms by w i m! m mm m 1:... .- which blood IS pumped throughout the body and how the flow is regulated depending on the needs of the organs and tissues, and how MAP (the driving force) 15 regulated “NM/UK .Ahruuioreommans rd- mmwwmm maimmhalwlueod “I” bump-minibuses many:- mesh: F‘ m 'WWL 55 W66 ~ wW W 652 “WM the am colon ot a to! WWW mm” ‘ Click the learning goals button: Now we take a look at “M 2 5 a l 5 l E a 2' m I5 blood itself— its different components (plasma, 631111503ng sand F02 leukocytes and pla_t_e__lets)— and how each participates in the B’ mammm“ “MW overall fimction of blood. Functions include tnnspo_'on, W, formation of blood B’- D'“"'" m m m" °' "'1 m m clots and Wu of m, hormones, electrolytes, [g mum—am chamdlfllkocm organicnutnmts and waste products. ' ' ' i W gmwmmmammmdm Click the Home Menu Button sci Wanna: CWM m ‘ wom- Clikth Bl dC ttht Ttall f mm““"'" c c 00 omponen I! on: 0 V0 ume O “w WWW £2333 :mmm .o blood in a normal healthy adult is about 5.5 liters of which 3 liters W (around 55%) consist of plasma (consisting of water, proteins and W“ gremymd other solutes) and around2 liters (around 45%) oferythrocytes. In D addition there are leukocytes and platelets (about 1% of total volume). When a blood sample 1s centrifuged the elements separate Osman-Whom based on densny. C10 4'31 /3 r) lav L )j/tige’ / Sfifgfi‘é‘nj (74/) 95/. ($0 “ V‘ismq < M Sch/U435 (l 1/3 mic: mung: ¥§L (9L) :rk triflr6<> \mwf ”c;¢LT'v Carleton-cull: lym: ww- Click the Show Centrifuged Blood) Button: M c “on Because erythrocytes are denser they are pulled to the bottom (m) ”#9:? ”71mm of the tube. Plasma is the least dense and remains at the top. w plum. . é, .. 1 Between these two layers rests a thin layer of leukocytes and g ' "" - (55" '* platelets called the buffy coat. m6! “"5“" m :3 s1? 5’3 5 White blood “lb and blood cells (45%) LWEEI 8 Dana 1 AFR ...
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