Question

describe the composition of plasma​

Answer 1

Answer:

Plasma constitutes 55% of total blood volume. Composed of 90% water, salts, lipids and hormones, it is especially rich in proteins (including its main protein albumin), immunoglobulins, clotting factors and fibrinogen.

Explanation:

Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. It constitutes more than half of the blood's volume and consists mostly of water that contains dissolved salts (electrolytes) and proteins. The major protein in plasma is albumin.

Plasma accepts and transports this waste to other areas of the body, such as the kidneys or liver, for excretion. Plasma also helps maintain body temperature by absorbing and releasing heat as needed.

Water: 90% of plasma volume

Acts as a transport medium, absorbs and distributes heat.

Remaining 10%:  

Proteins buffer blood pH, osmotic balance between interstitial fluid and blood, produce blood viscosity.

1. Albumin is the most abundant; contributes to osmotic pressure.
2. Immunoglobulin plays a role in immune defense.
3. Fibrinogens are clotting factors.
4. Electrolytes buffer blood pH and help maintain blood's osmotic balance, regulate membrane permeability.
5. Metabolic nutrients: respiratory gases (oxygen), glucose, fatty acids and vitamins
6. Metabolic waste: respiratory gases (carbon dioxide), urea and uric acid
7. Hormones

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