Answer:
Insulin is the key hormone of carbohydrate metabolism, it also influences the metabolism of fat and proteins. It lowers blood glucose by increasing glucose transport in muscle and adipose tissue and stimulates the synthesis of glycogen, fat, and protein.
It goes horizontal. You can't really say it goes from left to right or other way around. However, the more degrees west, the further to the left. More degrees to east, more to the right
Here is an example! Hope it helps
There are 100 senators; two representing each state.