How has the study of mitosis affected scientists’ knowledge of cancer? it led to a study of how to induce cancer cells to divide more rapidly. it led to an understanding of how cancer cells divide so rapidly. it led to the development of contact-inhibition regulators. it led to the discovery of how to prevent cancer cells from dividing.

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.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.