Take a closer look at how various factors can increase risk for vitamin D deficiency, which can subsequently lead to a deficiency disease. Watch the animation to see how the body makes vitamin D by converting the cholesterol in your skin to the active form of vitamin D. Use this animation to answer the questions that follow regarding the mechanisms underlying vitamin D deficiency.

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.

Which of these pieces of safety equipment should be worn when operating a chainsaw

What hormones (at least three) are responsible for human growth and development and what do they do? describe what menstruation is and how it relates to reproduction. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges. what steps can you take to ease your own transition and be sensitive to others when they experience theirs? analyze the role of hormones in growth and development. how does this relate to your own personal health?