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Now the first thing to point out when looking at images under an electron microscope is the scale. For example, something that you draw as 3cm long, may in fact be 10, 000 times smaller in real life. So i...
FSH: FSH is released into the blood from the pituitary gland. It is triggered by a fall in progesterone at the end of the previous cycle. It acts upon the ovary, causing developmen...
Prokaryotic cells are smaller and less complex than Eukaryotic cells. Bacterial cells are prokaryotic, whereas plant and animal cells are eukaryotic. In terms of structure, there are three key differences...
Diffusion is the passive movement of molecules from an area of high concentration to an area of low concentration,whereas osmosis is the passive movement of solut...
The heart is a muscular organ composed of 4 chambers; the left atrium and right atrium (pl. atria) and the left ventricle and right...
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