Answer:
First Order Neurons 
Explanation:
First Order Neurons 
The main function of First Order Neurons is to deliver sensory information from sensory receptors to the spinal cord. 
In Actual there are three orders of neurons, the first order neuron carry signals from periphery to the spinal chord, the second order neuron carry signal from from spinal chord to the thalamus. And the third order neurons carry signals to the primary sensory cortex. 
 
        
                    
             
        
        
        
Work= (force)(distance)
178= m(9.81)x0.5
178=m(4.905) 
178/4.905=m
His mass is 36.3 kg
        
                    
             
        
        
        
Answer:
c. testing student opinions
Explanation:
opinions aren't factual and they would not aide an experiment if it wasn't for a social experiment.
 
        
             
        
        
        
I believe its 17,000 blood cells in your body