The skin is an organ. It doesn't seem like it but all organs is just tissue and this one is the most defensive organ. This acts as a barriar so the immune system doesn't have to work all time to stop intruders. Though the skin seems to be strong it can be easily pierced by a rusty nail or a dog bite. This leaves your vulnerable to attacks as it take time for a wound to heal
There are hundreds of these tiny organs in an adult body. They serve as hubs for your lymphocate cells. Each lymphpnode connects to each other across the entire body and acts like a high way for immune cells. It also functions as a filter for cancer cells, infections, and dead cells. They produce the lymphocytes in your body.
The spleen is another bean shaped organ in your body that is close to your liver. The spleen fight off invading germs as it produces white blood cells. It regulates the amount of blood cells and platelets(which create blood clots). The spleen is a ble to regulate blood as you lose 3 liters each day and another system called the lymphatic system uses to spleen to reabsorb the lost blood.
