They transport oxygen to all the cells of the body
        
             
        
        
        
If you’re trying to figure out if it’s true or false it’s true
        
                    
             
        
        
        
Answer:
Increase the points, answers will pour in
Explanation:
nobody wants to answer tough questions for only 5 points. 
(please give brainliest)
 
        
             
        
        
        
Photosynthesis allows plants, algae and certain bacteria to turn sunlight into chemical energy. The amazing feat is achieved because sunlight can fuel a reaction between water and carbon dioxide that, in turn, produces carbohydrates (simple sugars) and oxygen.
Hope this helped
 
        
             
        
        
        
Ventilation is the process by which air moves in and out of the lungs.Diffusion is the spontaneous movement of gases, without the use of any energy or effort by the body, between the gas in the alveoli and the blood in the capillaries in the lungs.