1. what develops when cells undergo metastasis?
a sister chromatids
b cleavage furrows
c malignant tumors
d metaphase plates

metastasis — literally meaning "new place" — is one of the terminal stages of cancer. in this stage, cancerous cells enter the bloodstream or the lymphatic system and travel to a new location in the body, where they begin to divide and lay the foundation for secondary tumors. not all cancer cells can metastasize.

i think its through the fallopian tube

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.