The algae are simple photosynthetic plants that live in water. Most species are small to very tiny; many can only be seen with a microscope and often float or swim as plankton in the water column. But some algae--what we often call pond scum or seaweed--are conspicuous plants that can form dense mats of vegetation.
Circulatory System Diseases. Atherosclerosis â Literally, âhardening of the fatty stuff.â High fat diets can lead to formation of fatty plaques lining blood vessels. These fatty areas can become calcified and hard leading to arteriosclerosis, hardening of the arteries.
Another in the list of diseases and disorders of the circulatory system include cardiomyopathy, which is caused due to weakening of the heart muscles or myocardium. In the early stages, the ventricular muscles or muscles of the lower heart chamber are affected.If left untreated, it spreads to the upper heart muscles.or your reference, the following is a list of circulatory system disorders. Angina. Angina, characterized by severe and recurrent chest discomfort and pain, is caused due to lack of blood supply and/or oxygen supply in the muscles of the heart.