In situ or benign tumors can usually be treated successfully by surgical removal. In contrast, cancers (i. e. tumors which have become malignant) are much more dangerous and harder to treat. Explain why

Select all that apply. which of the following are functions of the skeletal system? 1. to provide the body with a strong and mobile framework 2. to allow the body to move 3. to protect internal organs from sunlight, bacteria, and injury 4. to supply the body with blood cells and minerals

Why do you need two different circuits of blood vessels in your body?

What are three cause of non-infection diseases?