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The heart is the muscle responsible for pumping blood around the body. It has four chambers: an atrium and ventricle on the left, and an atrium and ventricle on the right. Atrioventricular and semilunar v...

Large surface area: Branches off, starting with bronchioles until microscopic in size with air filled sacs called alveoli. The alveoli also have massive capiliary networks surrounding them so there is a b...

The main difference is that meiosis halves the number of chromosomes (2n-->n) whereas mitosis does not. (2n-->2n) Mitosis is simply the division of the nucleus, creating to genetically identical dau...

Glycolysis is the process by which cells create ATP from glucose. It occurs in all cells. Glycolysis is an anaerobic process, which, means it may occur even without oxygen. Glucose is converted to 2 molec...

advantages:
it's useful where no other treatment is available or when the patient's near to death
it extends a lifespan

disadvantages:
there's a low success rate
the device ...