The red blood corpuscles have a pigment called hemoglobin that binds to the oxygen and carries it to the whole body in both the conditions, when the body is at rest or when the body is exercising. The oxygenated blood from the heart is carried to the various parts of the body and the de-oxygenated blood from various parts of the body is carried to the lungs where the exchange of gases takes place. 
 
        
                    
             
        
        
        
<u>Answer:</u>
Option (C) 
There is no change in mass during a chemical reaction; 
<u>Explanation:</u>
The law of mass conservation can better explain this phenomenon. According to the rule, "Energy can not be either produced, nor can it be lost."
In simpler terms, the total masses of all substance involved in a chemical reaction are same. Furthermore, the total atoms on either sides, i.e., reactant side and product side are the b.
 
        
             
        
        
        
I believe the answer is D.
        
                    
             
        
        
        
The federal government regulates and controls the economy through numerous laws affecting economic activity.
I hope that answers your question.
 
        
             
        
        
        
Answer:
Molecules are attracted to each other, but not ordered: liquid water
ater vapor
Molecules are not stuck together: water vapor
Liquid water Molecules are joined in an ordered structure: ice
Explanation: