In mammalian brain anatomy, the prefrontal cortex (PFC) is the cerebral cortex which covers the front part of the frontal lobe.The PFC contains Brodmann areas 9, 10, 11, 12, 46, and 47. third definition of the prefrontal cortex is the area of frontal cortex whose electrical stimulation does not lead to observable movements. For example, in 1890 David Ferrier used the term in this sense.
The blubber helps to keep them warm since they live in a very cold environment.   When harp seals are born, they have a white â¦ fur coat. The fur coat camouflages into the snow to protect them from their enemies on land.
Updated March 14, 2017. There are 32 species, or types, of seals on the planet. The largest is the southern elephant seal, which can weigh more than 2 tons (4,000 pounds) and the smallest is the Galapagos fur seal, which weighs, in comparison, a mere 65 pounds. Below is information on the many types of seals and how they differ -- and are similar -- to one another.