1 / 10

Cancer

Cancer. Objective 3.02. What is Cancer?. Cancer is uncontrolled cell growth. (Mitosis) When you are young, your cells grow fast so because you are growing a lot. As an adult, cell growth slows down to only replace damaged & dying cells.

leora
Download Presentation

Cancer

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Cancer Objective 3.02

  2. What is Cancer? • Cancer is uncontrolled cell growth. (Mitosis) • When you are young, your cells grow fast so because you are growing a lot. • As an adult, cell growth slows down to only replace damaged & dying cells. • Cancer cells start out as normal cells whose DNA (instructions) become mutated (changed) in some way. • Because the DNA is damaged, the cell doesn’t know when it’s supposed to divide, and multiplies out of control.

  3. How Did It Mutate? • Can be inherited, but usually it’s environmental. • Smoking, UV Exposure, etc. • If a particular cancer runs in your family, it does not automatically mean you will get it. Inherited damaged DNA alone will probably not give you cancer. • It takes several mistakes in your DNA for cancer to develop, so you should stay away from things you know cause cancer (like smoking).

  4. Tumors • Tumors are a mass of cells collected in one place. • Benign: Non cancerous • Can still cause problems: Grow too large, Press on healthy organs • Can’t spread • Rarely life threatening • Malignant: Cancerous

  5. Metastasis • Metastasis: The spreading of cancer cells throughout the body. • Cancerous cells break off of the tumor and travel through the blood and/or lymph vessels and attach to another organ. • Cancer is always named from where the cancer began. • Ex: Cancer that formed in breast tissue then metastasized to the liver is still called breast cancer.

  6. Most Common Cancers

  7. Treatments • Chemotherapy: Taking chemical drugs to treat the cancer. • Chemo kills all cells that grow fast, whether they are good cells or bad cells. • This is often why chemo patients lose their hair. • Radiation Therapy: Using a stream of particles to damage the cancer cells so they cannot divide anymore.

More Related