Fine-needle aspiration. Fine-needle aspiration (FNA), or fine-needle aspiration cytology (FNAC), is a diagnostic procedure used to investigate lumps or masses. In this technique, a thin (23-25 gauge), hollow needle is inserted into the mass for sampling of cells that, after being stained, will be examined under a microscope.
The function of the blood is mainly transportation. the blood leaves the left side of the heart oxygenated and full of nutrients which is then transported around the body via â¦ arteries and veins. Blood is 50% plasma which is a straw coloured liquid.he function of blood is to absorb the nutrients that the body needs. Also to transport things to various tissue of the body, to remove things from the tissue in the body. Hop â¦ e This Helps(: + 11 others found this useful.
Whole blood is a mixture of blood cells and plasma. In addition to the cells mentioned above, the blood also contains clotting factors and other important substances, such as nutrients from the food that has been processed by the digestive system. Blood performs important functions, some of which are as under:-. 2  Supply of oxygen to cells / tissues. 3  Supply of nutrients such as glucose, amino acids and fatty acids Removal of waste such as carbon dioxide, urea and lactic acid.