The reactants of cellular respirationare oxygen and sugar, which are theproducts of photosynthesis. ... When plants are placed in darkness, cellular respiration continues, using ATP to convert sugar into ADP and releasing carbon dioxide. Photosynthesis stops in the absence of light energy.
        
             
        
        
        
Answer:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Explanation:
 
        
             
        
        
        
A person who exhibits a blood pressure of 134/82 mmhg would
likely have a pulse pressure of beats/min ranging from sixty to seventy beats
per minute in which a person would likely receive as a pulse pressure when he
or she has a bp of 135/82 mmhg