I believe the correct answer among the choices listed above is option B. A gland secretes enzymes through a duct onto the surface of a body part is a salivary gland. It is under the classification of exocrine glands. Hope this answers the question.
        
                    
             
        
        
        
why must the bonds of these molecules be broken before anything else happens 
Explanation:
yan po
 
        
             
        
        
        
<span>The best response is that it reduces the effects of fragility and skin atrophy.</span>
        
             
        
        
        
The answer I would choose is D. Help plants by providing them with sugar
You can tell me if i'm wrong.
 
        
             
        
        
        
One is in the area of psychopharmacology where drugs have been used to calm disorders in mood, sensation, thinking, and behavior. Second, the study of biological rhythms and sleep have been used to manage cases of insomnia. Thirdly, this overlap has helped Improve learning language and cognition in children with autism.