A similar barrier between the circulating blood and the cerebrospinal fluid is known as the blood-cerebrospinal fluid barrier. Normal adult blood volume is about 5 liters. Blood volume must be maintained to ensure the proper functioning of the heart, kidneys and other organs. See also adoptive immune transfer. Cases in humans are usually associated with raw or improperly preserved foods, especially cured meats.
Colostrum contains high levels of immunoglobulins.
The brain stem is responsible for many motor and sensory functions, especially automatic functions such as maintenance of posture. Many buyer's clubs sell drugs that are not FDA-approved and therefore not available in pharmacies.