<span>As blood moves away from the heart toward the tissues, the relative size of blood vessels decreases, the blood pressure drops, and the velocity of blood flow slows.
The size of the arteries progressively decreases as they branch out from the major arteries of the body. Once the arteries are the size of the arterioles, the resistance to blood flow increases and velocity of blood flow slows then blood pressure drops.
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Electric motors transform electrical energy into mechanical energy so the answer would be B.
Explanation:
 
        
             
        
        
        
It’s the b sidnkddndnwkwndnwkwlw,Simms
        
             
        
        
        
Normally it is seen that objects with more mass accelerates during their free fall than objects having smaller mass. The frictional force of air also known as the drag force get negated by the massive object and so the object gets acceleration during the free fall. If the mass of the object is small, then the frictional force or the drag will slow the object during free fall. In case of vaccum the mass of the object does not matter as there is no drag or frictional force working against it. The objects with greater  or smaller mass will then free fall with the same speed in the vaccum. 
        
             
        
        
        
It is C. Because the other 3 are in side of the the cell membrane to be protected.