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This question is not really interested in the challenging experience itself but more looking into why they found it challenging, what they did to overcome it and their ability to take lessons from this ch...

The human heart beats around 60-100 beats per minute. Blood enters the right atrium via the superior vena cava and the inferior vena cava, the blood moves through the tricuspid valve into the right ventri...

Blood consists of cells such as red blood cells, white bloods cells and platelets and plasma. Red blood cells are important for the delivery of oxygen to the cells in the body - to enable...

When elements are heated, it causes their electrons to become excited. Electrons exist in discrete energy levels, and these energy levels are unique to each element. When the electrons are excited by heat...

The water moves into root hair cells by osmosis, as there is a high concentration of minerals/sugars in the cells, and little water. This decreases the water potential inside the cell, so water molecules ...