How does the body get rid of cell wastes

What causes darkening of the skin as melanin production increases

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

Modern sea star larvae resemble some primitive vertebrate larvae. this similarity may suggest that primitive vertebrates