A possible answer could be parasympathetic.
The parasympathetic nervous system is the nervous system is characterised by things such as mentioned above "slower respiration and heart rate" because it is the system that responds to stimulation, which can occur during eating, digestion, defecation, etc.
It is also reponsible for well known reaction such as "flight-or-fight" and other similar ones.
Hope it helped,
BioTeacher101
Depends on your routine, lol. Maybe there is a scientific answer for that, but for me if you have television in your room you might skip your meals because you'll prefer watching movies. I know my answer doesn't matter haha.
Mahir noticed the plants he watered grew taller than those with less water is the scientific observation because mahir observed the experiment he led