Bloodfunction - Study guides, Class notes & Summaries

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Blood: Its Composition and Function The blood in our circulatory system is a watery based fluid and consists of two basic components: 1) Plasma (55%) and, 2) Formed elements (45%) Part A: Plasma The Plasma is the light yellow liquid portion of the blood and is about 90% water. Dissolved in the plasma are: 1) Gases (e.g. nitrogen carbon dioxide, and oxygen) 2) Ions (e.g. sodium, chloride and calcium) 3) Nutrients (e.g. glucose, amino acids) 4) Hormones 5) Proteins (most ...