Study notes
Photosynthesis & Nutrition
How plants make their own food, the leaf's role, what speeds up or slows down photosynthesis, and how humans get and process food.
What this topic covers
- Photosynthesis: carbon dioxide + water becomes glucose + oxygen
- Chlorophyll absorbs the light energy
- Stomata let gases in and out of the leaf
- Light, CO2, and temperature can each hold back the rate
- Photosynthesis is NOT the same as respiration
- Plants make food, humans eat it
- Food passes through four main organs, in order
- A balanced diet is about variety and proportion
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