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What is the name of the valve responsible for preventing blood flow from the left ventricle to the left atrium of the heart?

Mitral Valve The mitral valve is a large 'flap' between the two left chambers of the heart. When this is open, it allows oxygenated blood to fill the left ventricle of the heart from the atrium. When the hea...
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Answered by Ella H. Biology tutor
3192 Views

How do I start my personal statement letter?

Write everything that you know about yourself. How detailed or polished it is, that doesn't matter yet. Why? It's easier to trim down and polish than to come up with the perfect phrasing from scratch. After ...
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3280 Views

Rewrite these sentences using pronouns.

¿Has plantado las flores? Compramos los zapatos He buscado la información en el red. ANSWERS ¿Las has plantado? Los compramos La he buscado en el red EXPLANATION. The noun which is the direct object of the v...
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Answered by Hannah C. Spanish tutor
5843 Views

Can you describe the french political system ?

Le système politique francais ressemble au système anglais, à l'exeption du chef d'Etat qui est le Président de la République. La France est une république démocratique de régime semi-présidentiel : tout les...
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Answered by Pierre B. French tutor
3047 Views

A 4kg bag of rice costs £3.20 and a 6kg bag of rice costs £5.80. Which bag of rice is the best value for money? Show all your working.

To work out which bag is best value for money you have to work out the price of each bag per kg. To do this you must divide the price of the bag by the number of kg's it weighs. I.e. 3.20/4 = 80p per kg, 5.8...
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Answered by Yasha N. Maths tutor
4895 Views