Talking about food safety or Danger zone, we are focusing on the critical temperature where food-borne bacteria grows faster and the range of danger zone is 39 °F to 140°F. After this, if food is not clean and cooks properly it may result in illness or foodborne diseases to the person who eats the food. Potential hazards foods are the following listed below:
1. Food rich in protein.
2. Food high in moisture
3. Food that is low in acidity
Kidneys
Ureters
Bladder
Urethra
Are in all animals urinary system
I would go with A it is the first line of defense as it is exposed to the outside world unlike the rest of your body.