was made of bone or metal in wide variety of designs
Answer:
Dendrites
Explanation:
The Dendrites receive impulses
<span>1.design or provide with a form that presents very little resistance to a flow of air or water, increasing speed and ease of movement."streamlined passenger trains"<span>synonyms:<span>aerodynamic, smooth, sleek"streamlined cars"</span></span>2.make (an organization or system) more efficient and effective by employing faster or simpler working methods."the company streamlined its operations by removing whole layers of management"<span>synonyms:<span>efficient, smooth-running, well run, slick.<span /></span></span></span>