what organs are in the immune system ?
what organs are in the immune system？
Organs and tissues. Organs and tissues important to the proper functioning of the immune system include the thymus and bone marrow, lymph nodes and vessels, spleen, and skin.2019年4月22日
In this way,What are the 7 organs of the immune system?
The main parts of the immune system are: white blood cells, antibodies, the complement system, the lymphatic system, the spleen, the thymus, and the bone marrow. These are the parts of your immune system that actively fight infection.
Besides,What are the 6 organs of the immune system?
It is in these organs where the cells of the immune system do their actual job of fighting off germs and foreign substances.
- Bone marrow. Bone marrow is a sponge-like tissue found inside the bones. ...
- Thymus. The thymus is located behind the breastbone above the heart. ...
- Lymph nodes. ...
- Spleen. ...
- Tonsils. ...
- Mucous membranes.
One may also ask,Is bone marrow an organ?
In immunology and anatomy textbooks the bone marrow is described as a typical "primary lymphoid organ" producing lymphoid cells independent of antigens. The hematopoietic bone marrow is largely age-dependent organ with great anatomical and functional differences among various species.
Correspondingly,What are the two parts of the immune system?
There are 2 main parts of the immune system:
- The innate immune system. You are born with this.
- The adaptive immune system. You develop this when your body is exposed to microbes or chemicals released by microbes.
This chapter reveals that blood, which constitutes approximately 8% of human body weight, is one of the largest organs and the main means of transport for the exchange of substances between the organs. Blood plays an important role in the defense and repair processes of the body.
the bone marrowBlood cells are made in the bone marrow. The bone marrow is the soft, spongy material in the center of the bones. It produces about 95% of the body's blood cells. Most of the adult body's bone marrow is in the pelvic bones, breast bone, and the bones of the spine.
The longest bone in the human body is the femur. The largest artery is the aorta and the largest vein is the inferior vena cava.
The spleen is a fist-sized organ in the upper left side of your abdomen, next to your stomach and behind your left ribs. It's an important part of your immune system, but you can survive without it.
The tasks of the immune system
- to fight disease-causing germs (pathogens) like bacteria, viruses, parasites or fungi, and to remove them from the body,
- to recognize and neutralize harmful substances from the environment, and.
- to fight disease-causing changes in the body, such as cancer cells.
The spleen is the largest lymphatic organ in the body. Surrounded by a connective tissue capsule, which extends inward to divide the organ into lobules, the spleen consists of two types of tissue called white pulp and red pulp. The white pulp is lymphatic tissue consisting mainly of lymphocytes around arteries.