Brown tan or rusted colored
The correct answer is microglia.
<span>Microglia is glial cells found in the central nervous system with the protective role. Because they are the resident macrophage cells, they act as the first and main form of active immune defense. Microglia is constantly cleaning the CNS for plaques, damaged or unnecessary neurons, and infectious agents, like viruses or other microorganisms.</span>
Around 93 million miles (150 million kilometers) away.
When the body perspires, it cools itself due to the high specific heat capacity of water. Perspiration produces a cooling effect.