Causes of high creatinine levels. 1. Dehydration or inadequate water intake such as high fever, sweating, diuresis can cause blood concentration and reduced blood flow in the kidneys. Creatinine will increase. 2. Over-tiredness, lack of rest can cause elevation of creatinine level.
Explain who lymph is formed and returned to the bloodstream. Lymph is formed from the absorbed fluids from cells in the capillary beds. The lymph vessels return this fluid, after undergoing filtration in lymph glands, into the subclavian veins.xplain who lymph is formed and returned to the bloodstream. Lymph is formed from the absorbed fluids from cells in the capillary beds. The lymph vessels return this fluid, after undergoing filtration in lymph glands, into the subclavian veins.
Role and composition of the lymphatic system. The lymphatic system is made up of groups of lymph nodes throughout the body, which are connected by a network of lymph vessels. The lymphatic system: 1  acts as a one-way drainage system transporting fluid from body tissues into the blood circulation.2  contains white blood cells called lymphocytes, which fight infection.t is made up of: 1  Lymph fluid â formed when excess fluid drains from the body. 2  Lymph vessels â tiny channels that run through the body and carry lymph fluid. 3  Lymph nodes â small glands connected by lymph vessels that are found throughout the body but especially in the neck, armpits, groin and abdomen.