The respiratory system gives the blood oxygeb
        
             
        
        
        
Answer:
Phytochemicals
Explanation:
Phytochemicals are chemical compounds produced by plants, generally to help them thrive or thwart competitors, predators, or pathogens. The name comes from Greek φυτόν (phyton), meaning 'plant'. Some phytochemicals have been used as poisons and others as traditional medicine.
 
        
             
        
        
        
Hi lovely,
The statement above is false.
        
                    
             
        
        
        
The subject matter of prehistoric art concentrates in sources of food and procreation.