Summary
Blood summary
- Module
- Blood
- Institution
- Buckinghamshire New University
summacy of blood in the body
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MAIN FUNCTIONS:• Carrier of gases, nutrients and
BLOOD
ERYTHROCYTES:
waste products • Known as red blood cells
• Clot formation • Main function – transport oxygen in
• Transport of processed molecules blood to all cells in body
• Protection against foreign • Known as anucleate – lack nucleus
substances • Haemoglobin – iron-bearing protein
• Transport of regulatory molecules that transport the bulk of oxygen BASOPHIL: rarest WBC, have large histamine
• Maintenance of body temperature that is carried in blood containing granules, histamine is anti-inflam
• pH and osmosis regulation chemical that makes blood vessels, leaky an
WBCs to inflamed site.
PLASMA: PLATELETS: EOSINOPHIL: number increases rapidly durin
• Straw-coloured liquid part of blood • Fragments of megakaryocytes infections by parasitic worms ingested in foo
• Contains nutrients, salts, respiratory • Needed for clotting process that entering via skin
gases, hormones, plasma proteins occurs in plasma when blood NEUTROPHIL: most numerous WBCs and are
and various gases vessels are raptured /broken phagocytes at sites of acute infection
• Plasma proteins: albumin • Initiate clotting cascade by clinging AGRANULOCYTES: lack visible cytoplasmic gr
(carrier/shuttle), fibrinogen (blood to torn area and include lymphocytes and monocytes
clotting) and globulins (defence)
LEUKOCYTES: LYMPHOCYTES: slightly larger than RBCs, sec
• Known as white blood cells most abundant and found in lymphatic tissue
• Crucial to body defence against play important role in immune response
disease MONOCYTES: largest WBCs and change to
• Contains nucleus and other macrophage once they migrate to tissues
organelles
• Form a protective, movable army
that help defend the body against
damage by bacteria, virus,
parasites and tumour cells.
GRANULOCYTES: contains granules,
stained using wright’s stain and
includes basophil, eosinophil and
neutrophil.
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