The immune system
Example: Immune system protects body against infections and harmful pathogens
Definition
The "immune system" is the complex network of cells, tissues, and organs in the body that work together to defend against infections and harmful pathogens by identifying and neutralizing foreign substances.
Etymology
The term "immune system" combines 'immune,' derived from the Latin 'immunis,' meaning exempt or protected, and 'system,' from the Greek 'systēma,' meaning a whole made of parts. Did you know? The concept of immunity dates back to ancient times when people realized survivors of certain diseases were protected from future infections.
Learn to use this word actively
"The immune system" appears in the Vocaplus list "English - Medicine - (A1-C2) - set 1", containing 109 commonly used words.
Would you like to not only understand these words, but also remember them and use them actively? Create a free account and select English as the language you want to learn.
Create a free account
