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.
List of circulatory system conditions. From Wikipedia, the free encyclopedia. There are many conditions of or affecting the human circulatory system â the biological system that includes the pumping and channeling of blood to and from the body and lungs with heart, blood and blood vessels.