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What are the differences between the nervous and endocrine systems in maintaining homeostasis?

The nervous system and endocrine system work together to maintain a state of constancy in the body's internal environment despite changes in the external environment. The effect of both systems is achieved b...
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Answered by Danielle S. • Biology tutor
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What are the key differences between plant and animal cells?

There are several important differences between plant and animal cells that will be key to remember in the exam. Namely: - Plant cells have a rigid cell wall whereas animal cells have a cell membrane - Plant...
JC
Answered by Jake C. • Biology tutor
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What are two ways which the body cools itself down when too hot?

Vaso-dilation: blood vessels near to the skin's surface dilate which allows more heat to be lost. This is because more blood can flow through as there is more room in the lumen. Sweating: the hotter we are, ...
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Answered by Hannah P. • Biology tutor
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What is the oxygen-haemoglobin dissociation curve?

The oxygen-haemoglobin dissociation curve is a graph that compares the % of haemoglobin saturated with oxygen on the y-axis to the partial pressure of oxygen in the blood on the x-axis (mmHg). It is a useful...
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Answered by Hugh R. • Biology tutor
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What are the different stages of mitosis?

Mitosis is a type of cell division that results in genetically identical daughter cells and occurrs in many parts of the body helping with repair and replacement of cells. It is also used in asexual reproduc...
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Answered by Olivia P. • Biology tutor
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