If you mean the dark side of photosynthesis: Dark reactions make use of these organic energy molecules (ATP and NADPH). This reaction cycle is also called Calvin Benison Cycle, and it occurs in the stroma. ATP provides the energy while NADPH provides the electrons required to fix the CO2 (carbon dioxide) into carbohydrates.
        
             
        
        
        
If there is no oxygen , the cells go through anaerobic respiration which leads tot he build of lactic acid in the muscles. This is why we get sore and feel the burn during a workout. 
        
             
        
        
        
<span>The nurse has to be firm first, and don't be panic in that situation. He/She should try to make a calm and quiet situation in the room. He/She has to convince the actual situation to the family members at the same time should give hope to the patient as he is the client. Don't create a problematic situation at all.</span>
        
             
        
        
        
It is dangerous to the baby bottle feeding because of the only water available to prepare formula is often contaminated, which can lead to diarrhea, dehydration, and/or death.  This may also bring the risk for the babies especially when the bacteria develop and contaminate the feeding bottle.