what is spleen?
where is it located?
what is the funtion of spleen?
Spleen (a part of lymphatic system) is present in most of the vertebrates. It plays role in removing old and defective blood cells and in manufacturing components of immune system.It is located on the left side of abdomen, above stomach. The structure of spleen looks like red and pulpy, surrounded by tough capsule. White pulp which lies inside the red pulp, make antibodies.
Spleen is called as the blood bank because it holds the reserve of blood in case of hemorrhagic shock.
spleen is an organ that creates lymphocytes for the destruction and recycling of old red-blood cells. The spleen is also a blood reservoir. It supplies the body with blood in emergencies such as a bad cut. The spleen is also the location where white blood cells trap organisms.
it is located in the left upper quadrant of the abdomen
Storage of red blood cells, lymphocytes and other formed elements
Mechanical filtration of red blood cells.
Active immune response through humoral and cell-mediated pathways.
Spleen is present b/w the stomach and the diaphragm.It is red in colour.
The following are the functions of spleen :-
1)The most important function is the removal of RBCs.The RBCs in human body have a life span of 120 days, spleen is the graveyard of the RBCs.
2)Spleen is also called the blood bank of human body because it is a blood reservoir and supplies blood in case of emergencies.
3)It stores formed elements.
Hope this helps...
The spleen plays multiple supporting roles in the body. It acts as a filter for blood as part of the immune system. Old red blood cells are recycled in the spleen, and platelets and white blood cells are stored there. The spleen also helps fight certain kinds of bacteria that cause pneumonia and meningitis.