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.
The main function of blood vessels is to carry blood through the body. The blood carries oxygen, nutrients, and wastes that need to move around the body. There are three kinds of blood vessels: arteries, veins, and capillaries.The arteries carry blood away from the heart and transport it to the rest of the body.The blood in arteries carries oxygen and nutrients to different parts of the body.The veins carry blood the opposite direction, back to the heart from the rest of the body.he arteries carry blood away from the heart and transport it to the rest of the body. The blood in arteries carries oxygen and nutrients to different parts of the body. The veins carry blood the opposite direction, back to the heart from the rest of the body.