Answer:
Metric ruler
Explanation:
You need to measure length, which is exactly what a ruler measures. The other option measure other things, like liquids or temperature.
 
        
                    
             
        
        
        
The most numerous cells in the lungs are dust cells, also known by their scientific term of alveolar marcrophages.
These cells are located in any person's lungs and are responsible for keeping your lungs and air pipes clean of any dust particles and other materials that may harm your body. Their role is to destroy any foreign substances, such as bacteria and others.
        
             
        
        
        
Many molecules are moved through the body by carbohydrates lipids nucleic acids proteins
        
             
        
        
        
Hydrophilic means "water-loving," which means that hydrophilic molecules readily associate with polar molecules such as water. 
        
             
        
        
        
Answer:
the answer is increase the number of coils
Explanation: