Which of the following is passed from the fetus to the pregnant female through the umbilical cord?

nutrients

wastes

oxygen

alcohol

Which can be an effective way to reduce stress? a) getting in the habit of doing things perfectly the first time b) engaging in a fun physical activity on a regular basis c)taking an antacid for a stress-based stomachache d)studying extra hard the night before a test

Which health risk is associated with tanning beds

Does indrect sunlight does not pose any danger to the skin