The spleen produces blood cells, and forms part of the immune system.
Neither. The spleen is part of the immune system
Circulatory.
Heart,spleen
The Lymphatic System.
The kidney is a part of the Urinary System. It is not part of the Circulatory System
The circulatory system, including the heart, spleen, liver, and all the veins and arteries.
Muscle and the spleen and the heart and the lungs and the mouth
All organs are fed by the circulatory system. Examples include the skin, stomach, uterus, brain, kidneys, and spleen.
The circulatory system brings nutrients to the kidney. It also removes metabolic wastes from the tissues of the kidney.
Because it does no function in the digestive system. The spleen functions with the circulatory and immune systems. It removes old red blood cells and synthesizes antibodies.
Nutrient
Your spleen is on your left side between your lung and kidney. It usually lies along the bottom of diaphragm. The spleen as a reservoir for red blood cells. If the body has blood loss, the spleen contracts and adds blood to the the circulatory system.