The answer should be b: active transport
        
             
        
        
        
Answer:
Asking students to wash their hands on routine basis and also to keep the area clean. 
Explanation:
Hand sanitization is very important and hence considered as a primary step to control infection. Students should wash their hands on routine basis. Also, they should keep the area clean. 
 
        
             
        
        
        
I believe the answer is mindfulness techniques. 
Mindfulness techniques aim is to make the person focus their attention on the present moment. The techniques help them to feel their body sensation and more aware of their thought.  The example of mindfulness techniques is meditation, which is founded to be linked with <span>positive effects on physical and psychological health in many research.</span>
        
             
        
        
        
Answer:
C. Most people will die from negative health effects associated with stroke as indoor dirty air builds up.
Explanation:
<u>C is correct option</u> because it shows the highest proportion of people's death caused by stroke. On the other options are not correct due to the following reasons:
A is incorrect because it says that people have a lower risk of dying from COPD. On the other hand, the graph shows that this is 3rd most abundant cause of deaths.
B is incorrect because deaths due to lung cancer are the lowest according to the graphical illustration.
D is incorrect because the proportion of developing acute lower respiratory infection and ischemic heart disease are not the same. Deaths due to ischemic heart disease are higher than the acute lower respiratory infection.
 
        
                    
             
        
        
        
Pectinate muscles are parallel ridges in the walls of the atria of the heart. The name is due to their resemblance to the teeth of a comb (pecten). The heart is the organ  pumps blood to all parts of the body. It is made up of four chambers, that is, right and left ventricles, left and right atria, and the blood vessels, Pulmonary artery, pulmonary vein, aorta, and venacava. An auricles are pouch like structure that increase the total filling capacity of the atrium and also increase the volume of blood that an atrium is able to contain.