Answer:put more than five points if your going to make people do a whole worksheet
Explanation:
 
        
                    
             
        
        
        
Cell wall, chloroplasts, and central vacuole
 
        
                    
             
        
        
        
Is it for a project? If so try using a Purple or dark blue wide mooned shape construction paper.
Ribosomes help carry Protein and help make more of it!
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Zach1
        
             
        
        
        
The B cells are not considered as first line defense structures of the immune’s system
Answer: Option C
<u>Explanation:</u>
Our body is protected internally by nature by many layers of defense. Any microbe or a foreign material that disturbs the body is defended by these barriers. 
The first layer of defense required physical and chemical barrier such as the skin, mucous membrane, tears, saliva etc . The second line defense system involves the cells and the tissues that protect the body.
 
        
             
        
        
        
Answer:
Environmental temperature and humidity, altitude, volume of air inspired, air currents, clothing, blood circulation through skin, and water content of the body