immune system
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immune system
The biological defense system of a living being, which protects the body from pathogens such as viruses and bacteria and recognizes and fights foreign substances.
Eine ausgewogene Ernährung und ausreichend Schlaf stärken das Immunsystem.
A balanced diet and enough sleep strengthen the immune system.
The word is made up of 'Immun-' (related to biological defense) and 'das System' (the system). The article 'das' comes from the head noun 'System'.
Das Immunsystem ist ein komplexes Netzwerk im Körper.
The immune system is a complex network in the body.
Although 'Immunsystem' (immune system) is a term from medicine, it is very often used in everyday language, especially when talking about health, nutrition, and colds.
Ich esse viel Obst, um mein Immunsystem zu unterstützen.
I eat a lot of fruit to support my immune system.
In connection with the immune system, the verbs 'stärken' (to strengthen), 'schwächen' (to weaken), and 'unterstützen' (to support) are used very often.
Wenig Schlaf und viel Stress können das Immunsystem schwächen.
Little sleep and a lot of stress can weaken the immune system.
To describe the state of the immune system, the adjectives 'stark' (strong) or 'schwach' (weak) are usually used. 'Intakt' (intact) and 'geschwächt' (weakened) are also common.
Nach der Krankheit war sein Immunsystem noch sehr geschwächt.
After the illness, his immune system was still very weakened.
defense
'die Abwehr' and 'das Immunsystem' can mean very similar things in a medical context. Both refer to the body recognizing and fighting pathogens such as viruses and bacteria. 'Das Immunsystem' sounds more precise and names the biological system in the body. 'Die Abwehr' sounds a little more general and often emphasizes the protective function. Learners may confuse the words because in everyday language you can say both 'eine starke Abwehr' (a strong immune defense) and 'ein starkes Immunsystem' (a strong immune system).
Das Immunsystem schützt den Körper vor vielen Krankheitserregern.
The immune system protects the body from many pathogens.
Frisches Obst und genug Schlaf stärken die Abwehr.
Fresh fruit and enough sleep strengthen the immune defense.