A soluble toxin was found in some of the victim's cells. Based on your knowledge of cell membrane Structure, form a conclusion as to how the toxin could have made its way into the cells.

the actual answer was 160934

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.

b. to discover aspects of the natural world.

hopefully i .