What use do proteins, carbohydrates and minerals have?

蛋白质、醣、脂肪和矿物质有什么用处?
Danbaizhi, tang, zhifang he kuangwuzhi you shenme yongchu?
What use do proteins, carbohydrates and minerals have?
1954, April
Hygiene propaganda and education materials workshop of the Central Ministry of Health (中央卫生部卫生宣传教器材制造所)
54x77 cm.
BG E37/499

Third poster of the 1954 series "Why do we eat?" (我们为什么要吃东西?).

Illustrations show which vitamins and minerals are in which foodstuffs, and the effects that a lack of these vitamins have on the human body.

All posters in this series