Which of the following is part of the cell theory?* A.) Most cells arise from existing cells

B.)All living things are made up of one cell

C.)Cells are the most basic unit of structure and function in organisms

D.) Cells are nonliving units that make up organims

the farther away the object is from the central star (the sun) it's gravitainal pull on the object is weaker when it is farther

explanation:

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.