: A muscular pump in the chest that circulates blood and oxygen throughout the body.

: Situated on the right side of the abdomen, it filters toxins from the blood and aids in digestion.

Five organs are considered "vital" because their failure leads to death without immediate medical intervention:

: The body’s control center, located in the head, responsible for thoughts, memories, and basic survival functions.

An is a collection of tissues that work together to perform a specific function for the body. While the human body is often said to have 78 organs, this number can vary from 78 to 80 depending on how experts define them. Vital Organs