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There are 3 main phases in the cardiac cycle: Diastole, Atrial systole, Ventricular systole 1.Diastole: -The heart fills with blood as the atria and ventricles relax. -Blood flows from th...

All classes of vertebrates have their own distinguishing features that we can use to identify if an animal is indeed a mammal or not. The main classes of vertebrates can be simpified into mammals, fish, a...

Fat is first processed by mechanical breakdown in the mouth through chewing and in the stomach through its ‘churning’ action. Lipase, an enzyme produced in the pancreas, converts fat in the small intestin...