Horses in the old times were smaller because of the softer grass to step on in the forests. However, as time passes, the living shifted to survival from the predators. This strengthens the limbs of horses and lifting the body from the ground in the process of running at great speeds. The answer here is D. <span>larger horses had longer legs and could run faster to escape predators.</span>
        
                    
             
        
        
        
That would be Cushing's Syndrome, or Cushing's Disease. If the problem arises in the adrenal gland, then the disorder is primary adrenal insufficiency.
        
             
        
        
        
The correct answer is microbiology.  
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Microbiology is the branch of science that study microorganism. It contains a few sub-disciplines including virology (study viruses), parasitology (study parasites), mycology (study fungi) and bacteriology (study bacteria). Studied microorganism might be unicellular (one cell), multicellular (cell colony), or acellular (without cells).</span>
        
             
        
        
        
Answer:
How hard the blood pushes on the inside of the blood vessels is called Blood Pressure
The total amount of blood the heart pumps in one minute is called Cardiac Output
When blood vessels open wider during exercise, they are said to dilate
How many times your heart beats in one minute is called Heart Rate
The force that can put unhealthy tension on the heart as it is pumping is called Blood pressure
The amount of blood the heart pumps out in one beat is called Stroke volume.
Explanation:
All this concepts to the heart and cardiovascular system. It is important to know how heart is functioning to see how blood circulates.
 
        
             
        
        
        
One way to reduce water consumption on farms is to use drip irrigation. Drip irrigation is a way of watering the plants in the farm directly to their roots. By this less water are consumed and you are sure that the plant really received the amount of water that they need.