The cerebellum regulates water and balance
The Hypothalamus regulates sleep, body temperature and appetite.
hope this helps 
        
             
        
        
        
What r we suppose to be putting on the poster? What age range is this for? Young children or teenagers?
        
             
        
        
        
Human migration is the movement over long distances, movement from one country/region  to another ) by people . Humans moved because of the c<span>hanging climate and landscape and inadequate food supply. </span>The first human movement was t<span>he movement of </span>Homo erectus<span> out of Africa across </span>Eurasia<span> about 1.75 million years ago. </span> 
Than industrialization<span> encouraged migration wherever it appeared.
Wars also created migration. (</span><span>The First and Second World Wars, and wars, genocides, and crises sparked by them, lead to migrations).</span>
        
             
        
        
        
The smallest particle of any type of matter would be an Atom
        
                    
             
        
        
        
Your eyes don’t change color, they only reflect the colours around them in particular if they are light coloured eyes. My eyes are blue-grey with a green heterachromia. They are very sensitive to light and dust so they get red easily which makes the eye color appear a brighter blue. If I wear green, the appear more green in color, when I am sunburned they appear more turquoise, etc. But when I wear white or don’t have a shirt on, they look their true blue-grey.