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Stack #4194732

blood

TermDefinition
transport gases, cells, hormones, nutrients, clotting and proteins
distribution of heat redistributes body heat
defense against disease phagocytic leucocytes, antibodies
controlling blood loss platelet clotting
pH regulation controls pH of body tissues
water reservoir reserves of water that ensures osmotic balance to cells
blood liquid connective tissue that consists of leucocytes and erythrocytes and liquid plasma. 5L in adults. 8% of the body mass. pH 7.3 to 7.4, close to neutral.
erythrocytes carries oxygen in the haemoglobin molecule. no nucleus and 4..3 to 5.8 million cubic mm. biconcave disc shape = large SA. formed in red bone marrow with a life span of 80 - 120 days. removed by the spleen and liver
leucocytes defence of the body to infection. nucleus present with 5000 to 10000 cubic mm. phagocytic action , life span is a few days. monocytes and lymphocytes made in red bone marrow
thrombocytes stick to the fibrous network that forms during the blood clotting process. cell fragments that have no nucleus. life span is a week and made in bone marrow
plasma - 55% 90% is water and 10% is dissolved solids like FE, K, CA.
Created by: Anesu8648
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