Photosynthesis. These are the reactants for photosynthesis and the products of cellular respiration. 
 
        
             
        
        
        
Dual visual system:
Dual visual system is nothing but the different visual systems that our brain is meant to direct.
The two visual systems are 
-  Dorsal Stream
-  Ventral Stream  
Dorsal Stream:
Dorsal stream is mainly referred as a vision of action. This visual system is involved in moment by moment analysis. It is also known as where stream.
Ventral Stream:
Ventral stream is mainly referred to as the vision of perception. This visual system is meant to analyse and recognize shape and object etc. It is also known as What stream
Blindness:
Blindness is a defined as the lack of vision. Such type of vision loss can't be corrected either by contact lens or through glasses.
There are two type of blindness,
- Temporary Blindness
- Permanent Blindness
Temporary blindness is a condition where the vision of an individual vision is limited.
Permanent Blindness is a condition where an individual can't see anything even the light 
 
        
             
        
        
        
Similarly, our surroundings are our environment. The social and economic situation of a person is influenced by all environmental influences. It results in progress or positive change in the society and nation's social, economic, and cultural components. Peace and security are brought about by development.
        
             
        
        
        
- Place the scanning objective above the specimen by clicking it into place.
- To move the stage all the way up, use the coarse adjustment knob.
- Use the fine adjustment knob to focus the specimen.
- To improve contrast, adjust the iris diaphragm and/or the light control knob.
- Move a given structure to the center of your field of view using the mechanical stage controls.
<h3>What is epithelial cells ?</h3>
Epithelial cells are the cells that cover the inside and outside of your body's surfaces. They can be located on your skin, blood vessels, and organs such as your urinary tract.
<h3>What does it mean if my epithelial cells are high?</h3>
If urinalysis findings show a moderate or high number of epithelial cells, it may indicate the following medical conditions: Kidney illness Liver disease Yeast infections Urinary tract infections Certain kinds of cancer.
To know more about Yeast visit :
brainly.com/question/14117480
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