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The 3 types of blood vessels in the body are arteries, veins and capillaries. Arteries carry oxygenated blood away from the heart to the rest of the body. Arteries need to maintain a high blood pressure i...
The imperfect and the perfect tenses in French are both ways of expressing something which happened in the past. However, you cannot use them interchangeably. The perfect tense, also known as the Pass...
The heart is divided into two halves - right and left. In each half there are two chambers - an atria and a ventricle, which are connected by a valve. The right atria receives deoxygenated blood from the ...
To answer a describe question, you must make statements containing facts which answer the question. For each correct statement that you make, you will receive 1 mark. You can also develop points by adding...
The muscle of the right ventricle contracts. This forces the {right atrio-ventricular/tricuspid} valve to close and the {right semi-lunar/pulmonary} valve to open. The blood is pumped through the pulmonar...
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