Answer:
maximum heart rate i think but imnot 100% sure 
 
        
                    
             
        
        
        
D. Raw sausage from his hands can contaminate the pancakes.
        
                    
             
        
        
        
Answer:
i think it should be a or c
 
        
                    
             
        
        
        
When you’re sick your immune system produces antibodies to protect you and fight off the infection
        
                    
             
        
        
        
Answer:
The correct answer is A. Cancers that affect epithelial tissues are called carcinomas.
Explanation:
Carcinoma is a malignancy that develops from epithelial cells. They are mainly a cancer that begins in a tissue that lines the inner or outer surfaces of the body, and that arises from cells originating in the endodermal, mesodermal or ectodermal germ layer during embryogenesis. 
Hope this helps :)