The Great Barrier Reef is one of the most sought-after scuba diving spots in the entire world, with phenomenal coral beds that are flooded with light and sea life.
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.
Metastatic melanoma ( if i’m not wrong )
cancer that begins in the skin cells, which spreads to other parts of the body ( in this case liver and brain)
In a survey, it says that human's DNA are 99% the same.
Hope this helps! :)
Answer:
ion even know what this means
Explanation:
