1. chemoreceptors- tongue
2. mechanoreceptors- skin
3. olfactory receptors - nose
4. photoreceptors - eyes
Answer: Preventing diseases.The main focus of public health informatics is to keep an eye on the general health of the public.This does not involves focus on the health of individual rather it focuses on the health of population.The main objective of this is to prevent disease not to cure disease or injury.Little alteration in environmental can help prevent diseases that puts the human population at risk.
Photosynthesis
mainly the chloroplasts are found mainly in the green leaves and other baby parts of the plants. in the cells of green leaves abundant numbers of chloroplasts are found these chloroplasts are the sites of the photosynthesis
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