Cancer

A tumor is ______

• a cell division

• always harmful

• An abnormal mass of tissue

• always harmless

What is the process of programmed cell death called?

• Differentiation

• Metastasis

• Apoptosis

• Mitosis

What is the spread of cancer cells from the original site to another part of the body known as?

• Differentiation

• Apoptosis

• Metastasis

• Benign

What causes cancer?

Draw a normal and a cancerous cell.

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