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πŸš‚ Haemoglobin

Blood components

Blood is fun! Blood is to body as the Thames is to London, although I sure hope slightly cleaner…
Blood is roughly split into the plasma and blood cells including erythrocytes and leucocytes (neutrophils, eosinophils, monocytes, lymphocytes). Plasma is the solution that blood cells are found in, and as such acts as their extracellular matrix. For skin cells for example, the extracellular matrix is formed of collagen, so it’s different to have it essentially a liquid like plasma. Plasma is a water solution containing proteins, sugars, clotting factors (as well as platelets involved in clotting), hormones, electrolytes, carbon dioxide and oxygen.

 

 

Erythrocytes are red blood cells/RBC (and also the most common blood cells) carrying haemoglobin around the body. Haemoglobin can bind and release oxygen and is central to aerobic respiration.

 

 

Haemoglobin

Carbon dioxide and oxygen are transported in the blood under different conditions. Carbon dioxide is more soluble than oxygen, so some of it is directly present in the blood plasma. It can also be present as bicarbonate ions which increase blood acidity and signal if there is too much CO2 in the blood and not enough…

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