8th Grade Ch 3 Sec 3 Blood & Lymph
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Transcript of 8th Grade Ch 3 Sec 3 Blood & Lymph
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CH. 3CH. 3SEC. 3SEC. 3
& LYMPH& LYMPH
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4components
of blood
plasmared
blood cells
white blood cells
platelets
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plasmaplasma• liquid part of blood (90% water)liquid part of blood (90% water)• transports materials- nutrients, transports materials- nutrients,
chemical messengers, wasteschemical messengers, wastes
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red blood cellsred blood cells• carry oxygen from lungs carry oxygen from lungs body cells body cells• live about 120 dayslive about 120 days• made mostly of made mostly of hemoglobinhemoglobin
iron containing protein that binds iron containing protein that binds chemically to oxygenchemically to oxygen
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RED BLOOD CELLS
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white blood cellswhite blood cells•fight disease
•larger than red
blood cells
•live for months or years
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In this electron micrograph, a In this electron micrograph, a human white blood cell is human white blood cell is trapping bacterial cellstrapping bacterial cells.
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plateletsplatelets• cell fragment
• blood clotting
• release fibrin= chemical that weaves net of tiny fibers across wound
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blood transfusion• transfer of blood from
person person
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blood types• 4 types:• determined by marker molecules
1. A = have A marker
2. B = have B marker
3. AB = both A & B
4. O = neither A nor BBlood Types
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Rh factor• Rh positive- have marker
• Rh negative- do not
Blood Typing Game
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lymph• fluid that leaks out of cardiovascular
system thru. capillaries
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lymphatic system
• network of veinlike vessels that connects to veins in chest empties lymph bloodstream
(plasma)
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lymph node• small knob of tissue that filters lymph
• trap disease causing organisms
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Ch. 3 Sec. 3 Blood & Lymph Open Notes QuizChoose one or more of the following that best matches each description:lymph plasma platelets red blood cells white blood cells 1. Fight disease ____________________________2. Blood clotting ___________________________3. Hemoglobin ____________________________4. Live for years ____________________________5. 55% of blood ____________________________ 6. Carry oxygen ____________________________7. Leak out of capillaries _____________________8. Fibrin __________________________________9. Cell fragment ____________________________10. Made in bone marrow _____________________
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•fight diseasefight diseasewhite blood cellswhite blood cells
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•blood clottingblood clottingplateletsplatelets
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•hemoglobinhemoglobinred blood cellsred blood cells
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•live for yearslive for yearswhite blood cellswhite blood cells
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•55% of blood55% of bloodplasmaplasma
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•carry oxygencarry oxygenred blood cellsred blood cells
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•leak out of leak out of capillariescapillaries
lymphlymph
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•fibrinfibrinplateletsplatelets
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•cell fragmentcell fragmentplateletsplatelets
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•made in bone made in bone marrowmarrow
red & whitered & whiteblood cellsblood cells