Answer:
The digestive system works very closely with the circulatory system to get the absorbed nutrients distributed through your body. ... While the digestive system collects and removes undigested solids, the excretory system filters compounds from the blood stream and collects them in urine.
The light needed for photosynthetic reactions tends to be more reds and purple wave lengths. The Green wavelength is reflected. Filtering out the green light will stunt the light reactions of the plant.
It's the nucleus as it contain the DNA