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The four chambers of the heart are the upper two atria (atrium for singular) and the lower two ventricles. The atria first receive the blood, which is then pumped to its destination via the ventricles. Th...
When we eat a meal, the food passes down a long 'food tube' that runs from the mouth to the anus. Food reaches the stomach by passing along part of this 'food tube' called the oesophagus. Once the food ge...
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At the Bowman's Capsule, the blood undergoes ultrafiltration. This is when the smaller molecules in the blood are forced through the partially permeable membrane of the Bowman's Capsule. This is because t...
mRNA stands for messenger RNA. Essentially, once the strand of DNA is unwound and flattened, it is separated into its two strands. Then the bases on each DNA strand are read in groups of three. These are ...
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