Lungs are to the respiratory system as the spleen is to the
A) lymphoid system.
B) urinary system.
C) digestive system.
D) cardiovascular system.
E) muscular system.

Question

Quizplus · Accepted Answer

The spleen is a part of the lymphoid system, which is responsible for filtering and removing harmful pathogens and foreign substances from the body. Just like the lungs are responsible for exchanging gases and ensuring proper oxygenation of the blood, the spleen is responsible for filtering blood and removing old or damaged red blood cells.

Lungs Are to the Respiratory System as the Spleen Is