The correct answer is that mammals use a closed, double loop , four chambered heart as a circulatory system of the body.
The circulatory system of mammals is closed system that consists of four chambers, two articles and two ventricles. The deoxygenated blood comes into the heart from one loop and the oxygenated blood from other loop from the heart is circulated to the whole body. This is called as double circulation.
The answer to this certain question is gonna be the letter C- PANCREAS
How this flowers structure relates to its function is by the hight and the sizes of its leafs.
<span>Olfactory glands coat the olfactory epithelium with a pigmented mucus. They are responsible for the olfactory information, which is a term that describes the smell . </span>Olfactory information is first received by the cerebrum. <span>The </span>cerebrum is a large part of the brain, <span>the uppermost region of the central nervous system </span><span>that is responsible for olfaction, or the sense of </span>smell.
