<span>Is immunosuppressed. This means their immune system is not functioning at the full level, and as a result, the weakened strains of viruses within the vaccine could actually make them seriously ill. However there is no real danger of this for those in the general population with functioning immune systems.</span>
Kidney
explaination
The liver, the pancreas, the kidneys, and the brain (hypothalamus, the autonomic nervous system and the endocrine system) help maintain homeostasis. The liver is responsible for metabolizing toxic substances and with signaling from the pancreas maintains carbohydrate metabolism
20% sames more like the answer than the other three. But I'm considering that it could be 50%, but, it doesn't convince me. So, I'd say: C. 20%