Answer: layers
of sheathing
The
brain is protected by the skull and several layers of sheathing
from physical damage and insulate it against extreme temperatures. It is
encapsulated in several layers of connective tissue sheathing known as meninges
protecting fragile neural tissue and insulate the brain from different extreme temperature.
<span>The diet of South Americans were largely based on staple food such as rice, corn (maize), and wheat. Almost always, there food consists of such food combined with animal products such as meat, fish, and dairy.
Some other food produces that they consume include tubers like potatoes, cassavas, and yams. This is because their land in that are is very conducive from crops that are growing all-year round. </span>
B. Circulatory system hope this helps you
