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Arteries, veins and capillaries are all types of blood vessels. The best way to think about their differences are the roles they play in circulation. So, if we take the systemic circulation as an example ...

Cell wall Chloroplasts A permanent vacuole

This is a common question. I like to remember it as CVC - Cats Vs Cucumbers - like all the YouTube videos of cats being scared by cucumbers.

When the hypothalamus in the brain detects that the blood is getting too concentrated (not enough water), it stimulates the pituitary gland to release an anti-diuretic hormone (ADH). When it reaches the k...

We can check for the presence of non-reducing sugars the Benedick's Test. If a reducing sugar is present in a solution, adding Benedick's reagent and heating will form an insoluble red precipitate. Non-re...

Receptor: There are different types of receptors within the peripheral nervous system. There can be free nerve endings for pain and other types of receptors within the layers of the skin for sensations su...