EXPERT LEVEL

How does a lack of collagen affect wound healing and skin repair?

If the boy continues to have a diet low in Vitamin C, what other symptoms might he develop over time?

If you were a doctor, how would you design a simple diet plan to help the boy recover faster?

Explain why Vitamin D deficiency leads to weak bones, even if someone eats calcium-rich foods.

If the girl continues with her current lifestyle, what bone disease could she develop in the future?

People living in countries with little sunlight are more likely to have Vitamin D deficiency. What solutions could help prevent this problem?

How does hemoglobin help supply oxygen to the body?

Why might Vitamin C improve iron absorption?

What could be the scientific explanation for this?

Explain how iron deficiency during pregnancy could affect the baby's development.