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Coronary heart disease involves the arteries supplying the heart, known as the coronary arteries. There are two arteries namely the left and right coronary arteries. Healthy coronary arteries are nice and...
In the human body, ultrafiltration is the non-specific filtration of blood at a molecular level under high pressure. Renal corpuscles are the starting point of nephrons (the functional units of the kidney...
Most animal cells have:A nucleus (DNA is stored)Ribosomes (proteins are made)Mitochondria (ATP is produced for energy)Cytoplasm (most chemical reactions take place here)Cell membrane (lets certain things ...
A heart attack occurs when the flow of blood through a coronary artery is blocked, preventing an area of heart muscle from being supplied with oxygen and nutrients. As a result, the heart's ability to pum...
DNA is a nucleic acid. Nucleic acids are made up of 3 base units: a 5 carbon sugar (for DNA this is deoxyribose), a phosphate and a nitrogenous base. The phosphate group is covalently bonded to the 5th ca...
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