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What is Osmosis?

Osmosis is the diffusion of water molecules across a partially permeable membrane, from an area of high water concentration to an area of low water concentration. For exam if you're on the tube you will g...

Answered by Nasirdeen Y. Biology tutor
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What medical speciality or field currently interests you, and what have you done so far to get experience in the field?

There is no right answer to this question. However the candidate should demonstrate some forward progress in regards to their perceived dedication to Medicine as a career. Experience does not have to be h...

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(b) In healthy lungs, a gradient is maintained between the concentration of oxygen in the alveoli and the concentration of oxygen in the lung capillaries. (i) Describe how ventilation helps to maintain this difference in oxygen concentration.

Ventilation of the lungs is a mechanism designed to maintain a high concentration of oxygen present in the alveoli. Blood is delivered to the lungs from the heart deoxygenated, meaning the majority of hae...

Answered by Biology tutor
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What is homeostasis?

Homeostasis is the body's ability to keep the body's internal environment at a condition of equilibrium, in response to any external changes. This includes body temperature, salt concentration, water conc...

Answered by Jaspreet G. Biology tutor
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The Federal Government was the most Important Element in Achieving Civil Rights during this period. How far do you agree?

  In order to achieve civil rights there needed to be an effective combination of legislation, enforcement and change in social attitudes. The federal government was made up of the Supreme Court, congress...

Answered by History tutor
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