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Photosynthesis is the process during which plants convert Sunlight, Carbondioxide and Water in Glucose and Oxygen. Photosynthesis happens at the plants thylakoid-membrane which are located inside the chlo...

You can find two types of membranes in the cell: the plasma membrane (or cell surface membrane) that is surrounding the whole cell and intracellular membranes that are found within the cell surrounding th...

Blood pressure is the result of the force exerted by the blood against the arteries through which it flows.This is determined by various factors including the compliance of blood vessels, the presence of ...

Not all energy is transferred between different levels of the food chain due to not all the organisms being consumed, often not the entire organism is eaten either, leaving behind energy in the hair/fur, ...

A diseased coronary heart artery has fatty diposits (atheroma) that narrow the lumen, and block bloodflow. As the coronary arteries primarily serve to nourish the heart, this can weaken it and if it remai...