It is found in Continental Shelf. Many of the shelves were
seen during glacial periods and interglacial periods. Surrounding the shelf is
an island is known as an insular shelf. The continental shelf is a landmass underwater
thus extends from a continent, the reason in an area of relatively shallow
water known as a shelf sea.
The left ventricle is responsible for pumping oxygenated blood throughout the entire body, which requires a lot of work and pressure, hence why it is super thick.
