What are malignant tumors?
1. tumors that grow slowly and do not spread from their original site
2. tumors that grow fast and spread to neighboring tissues
3. tumors that start in blood-forming tissue and produce abnormal blood cells

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.

Tessa’s friend milo offers her a ride home. tessa does not like riding with milo. he insists that everyone wear a seat belt, and he listens to classical music. he drives a small car, and usually texts while driving. why should tessa refuse milo’s offer? milo texts while driving. milo listens to classical music. milo drives a small car. milo insists that everyone wear a seat belt.

The main reason tommy might use static stretching is a. to relax his entire body b. to prepare his muscles for sports c. to increase his long term flexibility d. to slow his body down after exercise