Explain structure and function of human blood
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structure and function of ..
red blood cells are specialised cells that contain hemoglobin and circulated through the body delivering oxygen to the cells the serum is the plasma component of the blood without the coagulation factors . E Transport the nutrients Oxygen and also carry is best for removal from the body ...
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вℓσσ∂ is α ƒℓυi∂ cσททєcτivє τissυє τнατ ƒℓσωs iท вℓσσ∂ vєssєℓs. iτ is cσмρσsє∂ σƒ τωσ cσмρσทєทτs- ρℓαsмα αท∂ вℓσσ∂ cєℓℓs.
ρℓαsмα is α yєℓℓσωisн cσℓσυr ƒℓυi∂, мα∂є υρ σƒ ωατєr (~90%) αท∂ sσмє ∂issσℓvє∂ ทυτriєทτs, ρrστєiทs, нσrмσทєs αท∂ ωαsτє ρrσ∂υcτs.
вℓσσ∂ cσทsisτs σƒ τнrєє τyρєs σƒ вℓσσ∂ cєℓℓs. τнєsє are
i. rє∂ вℓσσ∂ cєℓℓs: τнєy cσทταiท α rє∂ ρigмєทτ cαℓℓє∂ нαємσgℓσвiท, ωнicн τrαทsρσrτs σxygєท τσ αℓℓ вσ∂y cєℓℓs.
ii. ωнiτє вℓσσ∂ cєℓℓs: τнєy ƒigнτ αgαiทsτ gєrмs τнατ єทτєr τнє вσ∂y. τнυs, τнєy ρrστєcτ τнє вσ∂y ƒrσм ∂isєαsєs.
iii. ρℓατєℓєτs: ωнєท ωє gєτ iทjυrє∂, вℓєє∂iทg sτσρs αƒτєr sσмє τiмє. τнis нαρρєทs вєcαυsє σƒ τнє αcτiviτy σƒ ρℓατєℓєτs, ωнicн нєℓρ iท τнє cℓσττiทg σƒ вℓσσ∂.
ƒυทcτiσทs σƒ вℓσσ∂:
iτ τrαทsρσrτs ทυτriєทτs αท∂ σxygєท τσ τнє ∂iƒƒєrєทτ ραrτs σƒ τнє вσ∂y.
iτ αℓsσ cαrriєs ωαsτє мατєriαℓs (ƒrσм τнє ∂iƒƒєrєทτ ραrτs σƒ τнє вσ∂y) τσ вє rємσvє∂ вy τнє єxcrєτσry σrgαทs.
cнємicαℓ мєssєทgєrs ℓiкє нσrмσทєs αrє τrαทsρσrτє∂ вy τнє вℓσσ∂.
ρrστєcτs τнє вσ∂y ƒrσм ∂isєαsє cαrryiทg gєrмs.
нєℓρs τσ мαiทταiท α cσทsταทτ вσ∂y τємρєrατυrє.