Answer:
It is called the S-A node, or rather sinus node.
 
        
             
        
        
        
They help form D organ system which is the
digestive system 
        
                    
             
        
        
        
Answer:
All of the above
Explanation:
U 2 can help me by marking as brainliest.......
 
        
             
        
        
        
For more population and it is also bad if the world is overpopulated.
        
             
        
        
        
Answer:
<em>"Maturation refers to the child's increases in body size."</em>
Explanation:
The statement "Maturation refers to the child's increases in body size" does not tell anything about the state of the patient and it needs to give a clear explanation.
Growth can be described as the physical increase in size of a person.
Development can be described as the process by which children learn different skills as they grow up.
Maturity can be described as the growth in different body system which leads to the development of different skills in the children.