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Arteries carry blood away from the heart whereas/or veins carry blood towards the heart.M2: Arteries have much thicker walls than veins (due to the thicker muscle and elastic layers) M3: Veins tend to have valves (this prevents backflow)

Arteries carry blood away from the heart whereas/or veins carry blood towards the heart.M2: Arteries have much thicker walls than veins (due to the thicker muscle and elastic layers) M3: Veins tend to have v...
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Answered by Aisha A. • Biology tutor
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What is the composition of blood?

Blood consists of 4 different elements: 55% is PLASMA other 45% are 3 different components: red blood cells white blood cells platelets The main components we will focus on today are: white blood cells. If y...
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Answered by Alisha J. • Biology tutor
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Why and how is blood glucose controlled in the body?

So before we understand this we need to quickly explain homeostasis. This is essentially the process by which the body maintains a constant internal environment. Our external environment changes all the time...
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Answered by Nuha A. • Biology tutor
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Compare the structural differences between arteries, veins and capillaries and how each difference helps efficient blood transport

In arteries, the main structural difference is the thickness of the arterial wall, due to an increased amount of smooth muscle, arteries have much thicker walls than both veins and capillaries to ensure they...
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Answered by Lauren G. • Biology tutor
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As one of the body's homeostatic mechanisms, blood glucose levels are controlled for by the hormone insulin. Explain how the regulation in blood glucose differs in a healthy individual and in somebody with type 1 Diabetes?

After the ingestion of a meal containing carbohydrate, glucose is released into the blood stream from the gut. An increase in blood glucose stimulates the secretion of the hormone, Insulin from the pancreas ...
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Answered by Hannah S. • Biology tutor
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