This is a goal you want to reach during the year 2021 and 2022. You want to hold yourself accountable to this goal you set, and once you hit this goal, you can celebrate and appericate that you have enought focus and strength to reach something you set.
The absorption of nutrients in the small intestine is controlled by the digestive system. Excess nutrients are filtered out from kidney into urine through the excretory system. However, both these processes are regulated by the endocrine system.