Aorta artery (left ventricle of the heart, down to the abdomen), carotid artery (left/right side of neck), subclavian artery (underneath clavicle), pulmonary artery (base of the heart's right ventricle), coronary artery, axillary artery, brachial artery (forearm), posterior tibial artery (behind the tibia).//Lymphatic system: It is responsible for the removal of interstitial fluid from tissues, it absorbs and transports fatty acids and fats as chyle from the digestive system, and, it also, transports white blood cells to and from the lymph nodes into the bones.// Organs of the lymphatic system and each location:-Lymph nodes: protect the body by removing foreign materials such as bacteria and tumor cells. Neck, armpits, and groin areas.-Lymphocytes: destroys specific invaders and macrophages destroys non-specific invaders. Bone marrow-Spleen: filters blood of bacteria/ viruses, destroys old RBCs, stores some blood. Sub ribcage, superior to the stomach.-Thymus: produces T- Lymphocytes. Anteriorally, superior to the mediastinum.-Tonsils: trap/ remove debris/ foreign substances in pharynx.//Edema (swelling): a condition characterized by an excess of watery fluid collecting in the cavities or tissues of the body. Six factors can contribute to the formation of edema.-Increase hydrostatic pressure,reduced colloidal or oncotic pressure within blood vessels,Increased tissue colloidal or oncotic pressure,Increased blood vessel wall permeability (e.G., inflammation),Obstruction of fluid clearance in the lymphatic system,Changes in the water retaining properties of the tissues themselves.//Lymph vessels that carry lymph to a lymph node are called afferent lymph vessels, and those that carry it from a lymph node are called efferent lymph vessels, from where the lymph may travel to another lymph node, may be returned to a vein, or may travel to a larger lymph duct.//The lymphatic system helps the immune system carrying lymph fluid and presenting to the different cells of the immune system.