The main source of our body's energy that cor
O Fat
O Glucose
O Skittles
O Protein

The answer is glucose.

Carbohydrates include cellulose, glucose, lactose, starch, and sugar.

Would be protein
protein gives us energy

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

Air goes past the epiglottis and into the trachea when you breathe in. from there, it goes to your vocal cords in the larynx until it reaches the bronchi. from the bronchi, air passes into each lung.