Question

2. Виберіть правильний час і стан для дієслів в дужках.
1. At the entrance and exit of the ventricles you can (to see) four valves.
2. There (to be) the period of rest between the heart beats. 3. Arteries are muscular blood vessels that (to carry) blood away from the heart. 4. An arteriole is a small artery that (to extend) and (to lead) to capillaries. 5. Capillaries (to be) the smallest of the body’s vessels. 6. The “capillary bed” (to be) the network of capillaries present throughout the body. 7. The artery walls are thick so that when blood (to enter) under pressure, the walls expand. 8. Capillaries (to be) very
prevalent in the body – their total surface area (to be) about 6,300 square meters. 9. The aorta (to go) to the border of the fourth lumbar vertebra and here it (to finish) dividing into the left and right iliac arteries. 10. The heart (to beat) roughly 100,000 times per day, sending blood on its journey around the body.

Answer 1

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