IMMUNOLOGY

OVERVIEW OF THE IMMUNE SYSTEM

IMMUNITY INNATE AND ADAPTIVE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What part of the lymphatic system filters foreign material from blood and destroys old RBCs?
A
spleen
B
lymph nodes
C
thymus
D
lymphatic vessels
Explanation: 

Detailed explanation-1: -The spleen acts as a filter. It weeds out old and damaged cells and helps control the amount of blood and blood cells that circulate in the body.

Detailed explanation-2: -Antibodies fight infection. Red pulp: The red pulp acts like a filter. It removes waste from the blood and gets rid of old or damaged blood cells. Red pulp also destroys bacteria and viruses.

Detailed explanation-3: -The spleen is located in the abdominal (tummy) area on the left side, just under the diaphragm. It is the largest of our lymphatic organs. The spleen does many things as it filters and monitors our blood.

Detailed explanation-4: -The spleen, along with the liver, removes old and damaged erythrocytes from the circulating blood. Like other lymphatic tissue, it produces lymphocytes, especially in response to invading pathogens.

Detailed explanation-5: -The red pulp is a network of splenic cords (cords of Billroth) and sinusoids (wide vessels) filled with blood, and it is in the red pulp that most of the filtration occurs.

Detailed explanation-6: -The spleen is the largest secondary lymphoid organ in the body and as such hosts a wide range of immunological functions alongside its roles in hematopoiesis and red blood cell clearance.

There is 1 question to complete.