Which system is responsible for responsiveness to stimuli?

nervous system

Explanation:

The sensory system is a part of the nervous system. The sensory system includes sensory receptors, neural pathways, and a part of the brain that interprets various stimuli. The eyes, nose, ears, tongue, and skin contain specialized sensory receptors. Therefore, these organs form an important part of the sensory system.

nope, but i have cleaned my brush in my cup of not as potentially harmful but nevertheless, very upsetting for scottish/british folks. especially if you've used the last teabag for it

explanation:

there could be something in that . . i am indeed an old scottish man!

there's a bit of bolshie-ness with it too though. i won't let go of the old ways . . tea and whisky . . whether the young whippersnappers like it or not!

answer 2 is the right one. jim should measure his snack to make sure he is using the right serving size.