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There are four heart valves in total. The triscuspid valve is between the right atrium and ventricle. The bicuspid valve is between the left atrium and ventricle. These are the atrioventricular valves and...
The food firstly is mechanically digested in the mouth by the action of our teeth and tongue when we bite and churn it around. The saliva secreted in our mouth contains amylase which chemically breaks dow...
Insulin is a hormone that is produced by beta cells in the Islets of Langerhans in the pancreas. A hormone is a chemical substance that is transported in the blood and stimulates particular cells to perfo...
osmosis is the unprompted movement of water from a high concentration to a low concentration through a semi-permeable membrane diffusion is the movement of particles from an area of high concentrati...
A useful mnemonic to remember the stages of mitosis is PMAT. Don’t forget that the cell spends most of its time in interphase, the phase where the DNA is replicated, before moving to mitosis.Prophase- chr...
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