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How would blood glucose levels be lowered upon becoming too high?

The high concentration of glucose in the blood is detected by the pancreas. Beta cells in the pancreas secrete insulin and the alpha cells cease production of glucagon. The insulin binds to specific receptor...
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Answered by Emily E. • Biology tutor
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What's the difference between mitosis and meiosis?

Mitosis is the process somatic (normal body cells) use to divide. Two diploid (full set of chromosomes) daughter cells are produced from one diploid cell. In order for this to occur, the cell must replicate ...
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Answered by Tavishi K. • Biology tutor
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How does Cholera work?

Cholera works by releasing a toxin in the lumen. It causes chloride channels of the intestinal epithelial cells to open which in turn causes cholride ions to move along its concentration gradient into the lu...
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Answered by Tanvi K. • Biology tutor
6996 Views

Describe the way in which the normal heart beat is initiated and controlled

The heart muscle is myogenic , which means that it can contract without any input from the nervous system. The stimulus for the muscle to contract originates from a group of specialised cardiac cells, the si...
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Some babies are born with a hole between the right and the left ventricles. These babies are unable to get enough oxygen to their tissues. Suggest why. (2)

A hole between the right and left ventricle means that blood would shunt from the left to the right ventricle as the pressure in the left ventricle is higher than in the right ventricle, leading to the mixin...
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Answered by Sparsh S. • Biology tutor
14869 Views