Atherosclerosis refers to the build-up of fats and cholesterol in the walls of blood vessels (Option A).
<h3>What is atherosclerosis?</h3>
Atherosclerosis is a disease characterized by the build-up of fats and cholesterol in the walls of blood vessels.
This build-up of fats narrows the blood vessels, thereby difficulting the movement of blood in the bloodstream.
The symptoms of atherosclerosis include, among others, chest pain, shortness of breath and fatigue.
Learn more about atherosclerosis here:
brainly.com/question/4142223
 
        
             
        
        
        
Answer:
infectious disease is a disease that can be spread from one person to another  by the means of touching,kissing,coughing,sneezing ect ect.
but non infectious diseases r diseases that don not spread from one person to another. for eg: cancer bla bla bla.
please mark me as brainlist as i have written this from my own head and also i have science exam on tuesday
PEACE OUT
 
        
                    
             
        
        
        
Answer:
Bed bugs belong to the Cimicidae family (that's Latin for bloodsucking wingless bugs). They come in the order of Hemiptera.
 
        
             
        
        
        
Answer:
pathogens
Explanation:
pathogens may occur in various way e.g spread from a person to person by directly body contact
 
        
                    
             
        
        
        
Answer:
The color of the light changed
Explanation:
Correct on edge