6373300
Descrição
Mapa Mental por Caramel Kitty, atualizado more than 1 year ago
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Criado por Caramel Kitty
mais de 8 anos atrás
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Blood
- Plasma
- 90% water
- 10% complex of various dissolved substances
- soluble proteins
- fibrinogen & prothrombin
- important for the clotting of blood
- important for the clotting of blood
- antibodies
- help fight diseases
- help fight diseases
- fibrinogen & prothrombin
- dissolved mineral salts
- occur as ions in plasma
- calcum
- sodium
- potassium
- occur as ions in plasma
- food substances
- glucose
- amino acids
- fats
- vitamins
- glucose
- excretory products
- urea
- uric acid
- creatinine
- carbon dioxide
- urea
- hormones
- insulin
- insulin
- amount of soluble proteins, mineral salts & glucose are kept relatively constant
- soluble proteins
- transports various substances & blood cells around the body
- 90% water
- Red Blood Cells (Erythrocytes)
- contains haemoglobin (pigment)
- combines reversibly with oxygen
- enables RBC to transport oxygen from lungs to all cells in body
- enables RBC to transport oxygen from lungs to all cells in body
- combines reversibly with oxygen
- circular, flattened biconcave disc
- increase surface to volume ratio
- absorb & release oxygen at a faster rate
- absorb & release oxygen at a faster rate
- increase surface to volume ratio
- does not contain nucleus
- made in bone marrow
- made from iron, folic acid & vitamin B12
- lifespan about 3-4 months
- destroyed in spleen
- haemoglobin released from destroyed RBC is brought to liver & broken down
- haemoglobin released from destroyed RBC is brought to liver & broken down
- contains haemoglobin (pigment)
- White Blood Cells (Leucocytes)
- can squeeze through capillary walls into spaces among tissue by changing shape
- helps keep body healthy by fighting diseases
- Lymphocytes
- produce antibodies to protect the body from disease-causing microorganisms
- produced by lymph glands
- matures in lymph nodes
- produce antibodies to protect the body from disease-causing microorganisms
- Phagocytes
- engulf, ingest & digest foreign particles such as bacteria
- engulf, ingest & digest foreign particles such as bacteria
- can squeeze through capillary walls into spaces among tissue by changing shape
- Platelets (Thrombocytes)
- not true cells
- membrane-bound fragments of cytoplasm from certain bone marrow cells
- lifespan of about 4 days
- not true cells
- fluid tissue
- 55% plasma
- 45% blood cells & platelets
- 55% plasma
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